Autogenerate the architecture selection choice menu.

Update architectures definition files accordingly.
Update documentation accordingly.
Use makefile syntax when listing arch/, tools/ and debug/ config files.

 /trunk/kconfig/kconfig.mk     |   32    29     3     0 +++++++++++++++--
 /trunk/docs/overview.txt      |   75    67     8     0 +++++++++++++++++++++++++++++++++++----
 /trunk/config/target.in       |   94    16    78     0 ++++++++-----------------------------------------
 /trunk/arch/arm/config.in     |    6     5     1     0 +++
 /trunk/arch/powerpc/config.in |    2     2     0     0 +
 /trunk/arch/ia64/config.in    |    4     4     0     0 ++
 /trunk/arch/alpha/config.in   |    2     1     1     0
 /trunk/arch/x86/config.in     |    3     3     0     0 ++
 /trunk/arch/mips/config.in    |    5     5     0     0 +++
 /trunk/arch/sh/config.in      |    4     3     1     0 ++
 /trunk/arch/x86_64/config.in  |    3     3     0     0 ++
 11 files changed, 138 insertions(+), 92 deletions(-)

12 files changed, 26 insertions, 3 deletions

diff --git a/arch/alpha/config.in b/arch/alpha/config.in
index 3a7329d..3cd07c5 100644
--- a/arch/alpha/config.in
+++ b/arch/alpha/config.in
@@ -1,6 +1,6 @@
 # Alpha specific configuration file
 
-comment "Alpha specific configuration"
+config ARCH_alpha
 
 choice
     bool
diff --git a/arch/alpha/experimental b/arch/alpha/experimental
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/arch/alpha/experimental
diff --git a/arch/arm/config.in b/arch/arm/config.in
index 093e42b..a358405 100644
--- a/arch/arm/config.in
+++ b/arch/arm/config.in
@@ -1,4 +1,8 @@
-comment "ARM specific options"
+# ARM specific configuration file
+
+config ARCH_arm
+    select ARCH_SUPPORTS_BOTH_ENDIAN
+    select ARCH_DEFAULT_LE
 
 config ARCH_ARM_EABI
     bool
diff --git a/arch/ia64/config.in b/arch/ia64/config.in
index e69de29..e8694c0 100644
--- a/arch/ia64/config.in
+++ b/arch/ia64/config.in
@@ -0,0 +1,4 @@
+# ia64 specific config options
+
+config ARCH_ia64
+    select ARCH_SUPPORTS_BOTH_ENDIAN
diff --git a/arch/ia64/experimental b/arch/ia64/experimental
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/arch/ia64/experimental
diff --git a/arch/mips/config.in b/arch/mips/config.in
index e69de29..abd911a 100644
--- a/arch/mips/config.in
+++ b/arch/mips/config.in
@@ -0,0 +1,5 @@
+# MIPS specific config options
+
+config ARCH_mips
+    select ARCH_SUPPORTS_BOTH_ENDIAN
+    select ARCH_DEFAULT_BE
diff --git a/arch/powerpc/config.in b/arch/powerpc/config.in
index 5cfe4ce..9c9c59e 100644
--- a/arch/powerpc/config.in
+++ b/arch/powerpc/config.in
@@ -1 +1,3 @@
 # powerpc specific configuration file
+
+config ARCH_powerpc
diff --git a/arch/powerpc/experimental b/arch/powerpc/experimental
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/arch/powerpc/experimental
diff --git a/arch/sh/config.in b/arch/sh/config.in
index 70a2966..0b476c6 100644
--- a/arch/sh/config.in
+++ b/arch/sh/config.in
@@ -1,6 +1,8 @@
 # Super-H specific configuration file
 
-comment "Super-H specific configuration"
+config ARCH_sh
+    select ARCH_SUPPORTS_BOTH_ENDIAN
+    select ARCH_DEFAULT_LE
 
 choice
     bool
diff --git a/arch/sh/experimental b/arch/sh/experimental
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/arch/sh/experimental
diff --git a/arch/x86/config.in b/arch/x86/config.in
index e69de29..56d829b 100644
--- a/arch/x86/config.in
+++ b/arch/x86/config.in
@@ -0,0 +1,3 @@
+# x86 specific options
+
+config ARCH_x86
diff --git a/arch/x86_64/config.in b/arch/x86_64/config.in
index e69de29..48be3f8 100644
--- a/arch/x86_64/config.in
+++ b/arch/x86_64/config.in
@@ -0,0 +1,3 @@
+# x86_64 specific options
+
+config ARCH_x86_64