gcc: port missing patches from 4.6 to 4.8

...ain/gcc/patches/4.8-linaro/810-arm-softfloat-libgcc.patch

...chain/gcc/patches/4.8-linaro/830-arm_unbreak_armv4t.patch

...cc/patches/4.8-linaro/840-armv4_pass_fix-v4bx_to_ld.patch

toolchain/gcc/patches/4.8-linaro/850-use_shared_libgcc.patch

...hain/gcc/patches/4.8-linaro/860-uclibc_use_eh_frame.patch

toolchain/gcc/patches/4.8-linaro/900-bad-mips16-crt.patch

toolchain/gcc/patches/4.8.0/810-arm-softfloat-libgcc.patch

toolchain/gcc/patches/4.8.0/830-arm_unbreak_armv4t.patch

...ain/gcc/patches/4.8.0/840-armv4_pass_fix-v4bx_to_ld.patch

toolchain/gcc/patches/4.8.0/850-use_shared_libgcc.patch

toolchain/gcc/patches/4.8.0/860-uclibc_use_eh_frame.patch

toolchain/gcc/patches/4.8.0/900-bad-mips16-crt.patch