cc/gcc: fix patches for 4.6.{0,1}

Remove the sparc part, as it touches code that does not exist in
those versions of gcc (it was added at 4.6.2).

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
CC: Florian Fainelli <f.fainelli@gmail.com>

 # Default test suite configuration

 # Default DejaGnu configuration

 DG_TOOLNAME = gcc

 DG_TARGET_HOSTNAME = 127.0.0.1

 DG_TARGET_USERNAME = root

 # Default tests

 DG_C_TESTS = 

 DG_CPP_TESTS =