riscv: remove Kconfig check for GCC version for ARCH_RV64I

The minimum supported version of GCC is now 5.1. The check wasn't
correct as written anyways since GCC_VERSION is 0 when CC=clang.

Cc: Paul Walmsley <[email protected]>
Cc: Palmer Dabbelt <[email protected]>
Cc: Albert Ou <[email protected]>
Cc: [email protected]
Signed-off-by: Nick Desaulniers <[email protected]>
Reviewed-by: Kees Cook <[email protected]>
Reviewed-by: Nathan Chancellor <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

0 files changed, 0 insertions, 0 deletions