brillo_uefi_x86_64: Add forgotten file.

This was should have been added in this CL

 https://android-review.googlesource.com/#/c/258129/

This is from system/core/libsparse/sparse_crc32.c with a rename of the
function.

BUG=None
TEST=Build no longer fails.

Change-Id: Icdffa7dbf66d459124c6c582cb094259a6db0d14
1 file changed