libc: Adapt strlcpy to this codebase

Change-Id: I2f5f64aaf90caae936510e1179392a8835f493e0
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
diff --git a/lib/libc/libc.mk b/lib/libc/libc.mk
index daa2ec1..1276f5c 100644
--- a/lib/libc/libc.mk
+++ b/lib/libc/libc.mk
@@ -19,6 +19,7 @@
 			snprintf.c			\
 			strchr.c			\
 			strcmp.c			\
+			strlcpy.c			\
 			strlen.c			\
 			strncmp.c			\
 			strnlen.c			\