lib: Add hex2bin and bin2hex implementations

Taken from the Kernel, put into the same place as in the kernel,
although the hexdump.c does not actually contain hexdum functions.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/Makefile b/lib/Makefile
index f08ac5937d..6a3e9fdc8e 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -53,3 +53,4 @@ obj-y			+= wchar.o
 obj-y			+= libfile.o
 obj-y			+= bitmap.o
 obj-y			+= gcd.o
+obj-y			+= hexdump.o