lib: add calculate crc byte by byte

Change-Id: I5cab1f90452b08a464ad7a2d7e75d97187452992
Signed-off-by: Xiang Wang <merle@hardenedlinux.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36624
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

src/lib/Makefile.inc

@@ -249,6 +249,14 @@ postcar-y += string.c
 ramstage-y += string.c
 smm-y += string.c
 
+decompressor-y += crc_byte.c
+bootblock-y += crc_byte.c
+verstage-y += crc_byte.c
+romstage-y += crc_byte.c
+postcar-y += crc_byte.c
+ramstage-y += crc_byte.c
+smm-y += crc_byte.c
+
 postcar-y += bootmode.c
 postcar-y += boot_device.c
 postcar-y += cbfs.c