spi/bcm63xx: always use a fixed number of CS
spi/bcm63xx: always use a fixed number of CS

We always pass 8 for the number of chip selects, so we can as well
hardcode it to this number.

Signed-off-by: Jonas Gorski <8a35dafb21031d5c8209b1c0c47aaf0390b56a0e@openwrt.org>
Signed-off-by: Mark Brown <b51b9a92386687a9ac927cebfa0f978adeb8cea5@kernel.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs