Allow building generic arm64 target using config/arm/arm64_armv8_linux_*
config which works on both cn9k and cn10k by relaxing cache line size
requirements a bit.
While at it move cache line checks to common place.
Signed-off-by: Tomasz Duszynski <tduszynski@marvell.com>
Reviewed-by: Jerin Jacob <jerinj@marvell.com>
b38db1bfb9