it87spi.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=b:173477683
TEST=builds

Change-Id: I94b169d19cb29336bb9cb4c16d0efee15b1e14c2
Signed-off-by: Edward O'Callaghan <quasisec@google.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/47661
Reviewed-by: Sam McNally <sammc@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
1 file changed