wbsio_spi.c: Reorder functions with primitives at the top

Reshuffle file with no semantic changes, this avoids unnecessary
prototypes for static member functions as to pave the way for further
cleanups as well as an easier to parse implementation.

BUG=none
TEST=builds

Change-Id: Iae9426b6a8ba6a824f7d7e9aaf9f8174b044d04c
Signed-off-by: Edward O'Callaghan <quasisec@google.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/47853
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Sam McNally <sammc@google.com>
1 file changed