Fix some typos

Fix typos and common misspellings in code comments and log messages.

Change-Id: Ie66b89065f2100c1d2125ce5a6c9b1d58df7c8ad
diff --git a/src/libmsc/ran_msg_a.c b/src/libmsc/ran_msg_a.c
index 59789b0..cb228ef 100644
--- a/src/libmsc/ran_msg_a.c
+++ b/src/libmsc/ran_msg_a.c
@@ -514,7 +514,7 @@
 		int i;
 		if (gsm0808_dec_encrypt_info(&encr_info, ie_encryption_information->val, ie_encryption_information->len)
 		    <= 0) {
-			LOG_RAN_A_DEC_MSG(LOGL_ERROR, "Failed to decode Encryption Informaiton IE\n");
+			LOG_RAN_A_DEC_MSG(LOGL_ERROR, "Failed to decode Encryption Information IE\n");
 			return -EINVAL;
 		}
 
@@ -524,7 +524,7 @@
 		}
 
 		if (encr_info.key_len > sizeof(geran_encr.key)) {
-			LOG_RAN_A_DEC_MSG(LOGL_ERROR, "Failed to decode Encryption Informaiton IE:"
+			LOG_RAN_A_DEC_MSG(LOGL_ERROR, "Failed to decode Encryption Information IE:"
 					  " encryption key is too long: %u\n", geran_encr.key_len);
 			return -EINVAL;
 		}