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>

CT_LOCAL_TARBALLS_DIR="${HOME}/src"

CT_SAVE_TARBALLS=y

CT_LOG_EXTRA=y

CT_ARCH_FLOAT_SW=y

CT_ARCH_arm=y

CT_BINUTILS_V_2_19_1a=y

CT_CC_V_4_3_4=y

CT_CC_LANG_CXX=y

CT_DEBUG_gdb=y

CT_GMP_V_4_3_2=y

CT_MPFR_V_2_4_2=y