spi25.c: Use define const in spi_simple_write_cmd() fn

This uses the JEDEC_WREN_OUTSIZE define in the spi_simple_write_cmd()
helper function to improve readability.

BUG=none
BRANCH=none
TEST=builds same object

Change-Id: I1b5ede4435ba014320fa8cf9490dc23cdfba4fd6
Signed-off-by: Edward O'Callaghan <quasisec@google.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/47004
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Shiyu Sun <sshiyu@google.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
1 file changed