zephyr: emul: sn5s330 add FUNC_SET registers
zephyr: emul: sn5s330 add FUNC_SET registers

Registers added to emulator because for driver access during init.

BRANCH=none
BUG=b:203364783
TEST=zmake configure --test zephyr/test/drivers (checked coverage change)

Signed-off-by: Aaron Massey <79529a820df71f45023239a3663736629646cc34@google.com>
Change-Id: If0ee390cbcf9deedf9dcb3f2816a3f17d3e04687
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3257777
Reviewed-by: Wai-Hong Tam <04b587fdf5845741a0c5a8b9cd59ca72d73ef8fc@google.com>

coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec