sw:vec: Bump RVV to 1.0

LLVM supports RVV 1.0 with https://github.com/llvm/llvm-project/commit/e6de53b4de4aecca4ac892500a0907805896ed27

Change-Id: I0fe53e10b3ae1fd2b9300cd6df2699032658359c
1 file changed