common: vboot_hash: cast UL to uintptr_t to remove warning
common: vboot_hash: cast UL to uintptr_t to remove warning

CONFIG_MAPPED_STORAGE_BASE is an unsigned long and this
kicks back a warning from zephyr builds. So cast it to
the uintptr_t to make sure it is the right size.

BUG=none
BRANCH=none
TEST=zmake configure -b $PROJ_HAYATO

Signed-off-by: Denis Brockus <6b21e8190fb5e373363fb95271367073a16474ef@google.com>
Change-Id: I841025776c4520708ae1a773df27b980594c36d9
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3057731
Tested-by: Denis Brockus <6b21e8190fb5e373363fb95271367073a16474ef@chromium.org>
Auto-Submit: Denis Brockus <6b21e8190fb5e373363fb95271367073a16474ef@chromium.org>
Reviewed-by: Jack Rosenthal <d3f605bef1867f59845d4ce6e4f83b8dc9e4e0ae@chromium.org>
Commit-Queue: Denis Brockus <6b21e8190fb5e373363fb95271367073a16474ef@chromium.org>

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