TCPMv2: Add information about port when printing flag and event names
TCPMv2: Add information about port when printing flag and event names

This CL modifies print_bits() function to provide port number while
printing flag names. Without this it is not clear to which port flag
change is applied.

BUG=b:161775827
BRANCH=none
TEST=Define DEBUG_PRINT_FLAG_AND_EVENT_NAMES, check if messages
     contain information about port.

Signed-off-by: Patryk Duda <6aed17a362577cf10cb5675888c1635d522769c1@semihalf.com>
Change-Id: I2124bdafa32651b5b87ba78cf367d5c39000b708
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2606234
Reviewed-by: Edward Hill <db1406b34e091703092b6b136bdfeb2c8125fc0e@chromium.org>

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