libc/mingw: replace mingw32 with generic mingw

Replace the 32-bit-only mingw32 with mingw-w64 that is capable
of building toolchains for both 32-bit and 64-bit Windows.

kernel/mingw: replace mingw32 with generic Windows
kernel/windows: New windows kernel supporting 32 and 64 bit arch
libc/mingw: Remove old options
patches: Remove old mingw libc options' patches

Signed-off-by: "Yann Diorcet" <diorcet.yann@gmail.com>
[yann.morin.1998@free.fr: array var in libc/mingw.sh, typos]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Message-Id: <b045ac08fc9eac2e5ee3.1352898499@blackmint>
Patchwork-Id: 198901

CT_LOCAL_TARBALLS_DIR="${HOME}/src"

CT_SAVE_TARBALLS=y

CT_LOG_EXTRA=y

CT_ARCH_powerpc=y

CT_KERNEL_linux=y

CT_KERNEL_V_2_6_31_14=y

CT_BINUTILS_V_2_19_1a=y

CT_BINUTILS_FOR_TARGET=y

CT_CC_V_4_3_2=y

CT_CC_LANG_FORTRAN=y

CT_CC_LANG_CXX=y

CT_CC_LANG_JAVA=y

CT_LIBC_glibc=y

CT_LIBC_GLIBC_V_2_9=y

# CT_LIBC_GLIBC_FORCE_UNWIND is not set

CT_DEBUG_dmalloc=y

CT_DEBUG_duma=y

CT_DEBUG_gdb=y

CT_GDB_NATIVE=y

CT_DEBUG_strace=y

CT_GMP_V_4_3_2=y

CT_MPFR_V_2_4_2=y