tools: Allow crc8 to be used

This patch enables crc8 to be used from within the tools directory using
u-boot/crc.h.
Signed-off-by: NOlliver Schinagl <o.schinagl@ultimaker.com>
Reviewed-by: NJoe Hershberger <joe.hershberger@ni.com>
Signed-off-by: NOlliver Schinagl <oliver@schinagl.nl>

include/u-boot/crc.h

@@ -9,6 +9,9 @@
 #ifndef _UBOOT_CRC_H
 #define _UBOOT_CRC_H
 
+/* lib/crc8.c */
+unsigned int crc8(unsigned int crc_start, const unsigned char *vptr, int len);
+
 /* lib/crc32.c */
 uint32_t crc32 (uint32_t, const unsigned char *, uint);
 uint32_t crc32_wd (uint32_t, const unsigned char *, uint, uint);

tools/Makefile

@@ -196,6 +196,7 @@ fdtgrep-objs += $(LIBFDT_OBJS) fdtgrep.o
 # that won't build on some weird host compiler -- though there are lots of
 # exceptions for files that aren't complaint.
 HOSTCFLAGS_crc32.o := -pedantic
+HOSTCFLAGS_crc8.o := -pedantic
 HOSTCFLAGS_md5.o := -pedantic
 HOSTCFLAGS_sha1.o := -pedantic
 HOSTCFLAGS_sha256.o := -pedantic