Update SBGEMM neoversev1 kernel to use standard C types #5816

Job	Run time
build (ubuntu-latest, flang, make)	18m 12s
build (ubuntu-latest, flang, cmake)	43m 46s
build (macos-latest, gfortran, cmake)	15m 51s
build (ubuntu-latest, gfortran, make)	21m 12s
build (ubuntu-latest, gfortran, cmake)	45m 32s
msys2 (UCRT64, int32, Release)	18m 37s
build (macos-latest, gfortran, make)	4m 25s
msys2 (CLANG64, int32, Release)	18m 54s
msys2 (MINGW32, int32, Release)	17m 42s
neoverse_build	7m 33s
msys2 (UCRT64, int64, Release)	20m 26s
msys2 (CLANG64, int64, Release)	20m 4s
cross_build (mips64el, mips64el-linux-gnuabi64, DYNAMIC_ARCH=1 TARGET=GENERIC)	3m 57s
cross_build (mipsel, mipsel-linux-gnu, TARGET=MIPS1004K)	3m 36s
cross_build (riscv64, riscv64-linux-gnu, TARGET=RISCV64_GENERIC)	2m 46s
msys2 (UCRT64, int32, None, mingw-w64-ucrt-x86_64, fc)	14m 25s
cross_build (alpha, alpha-linux-gnu, TARGET=EV4)	2m 56s
	4h 39m 54s

Provide feedback