misc: Move from u_int to uint types of stdint.h

This was done with sed on the files.
diff --git a/openbsc/src/libbsc/abis_om2000.c b/openbsc/src/libbsc/abis_om2000.c
index c1aef9f..7743cd8 100644
--- a/openbsc/src/libbsc/abis_om2000.c
+++ b/openbsc/src/libbsc/abis_om2000.c
@@ -631,7 +631,7 @@
 				   "OM2000");
 }
 
-static int abis_om2k_tlv_parse(struct tlv_parsed *tp, const u_int8_t *buf, int len)
+static int abis_om2k_tlv_parse(struct tlv_parsed *tp, const uint8_t *buf, int len)
 {
 	return tlv_parse(tp, &om2k_att_tlvdef, buf, len, 0, 0);
 }