zephyr: convert port number for I2C_CONTROL HC
zephyr: convert port number for I2C_CONTROL HC

The port number passed via the I2C control host command may be different
than the one used in ZephyrEC so convert it based on the "remote-port"
property in DTS.

BUG=b:201408931
BRANCH=none
TEST=zmake testall

Signed-off-by: Dawid Niedzwiecki <73bc8c219b84b29e82d4338ec2e55b540c845bc6@semihalf.com>
Change-Id: I71e05df2eb4f76b8c93948a97f47193aaaa6e25e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3205251
Reviewed-by: Yuval Peress <50dc11c009bd4d7e9d9d15a383c1743ce5ee82ef@google.com>
Commit-Queue: Dawid Niedzwiecki <f5bfc434019aa486188a171fe04a7dfcd4b6637d@google.com>

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