jlink_spi.c: Correct some log messages

Fix a few typos and a copy-paste error in log messages.

Change-Id: Ic69503f60a59aa0f4b991eaa2a7be40a7d9c1301
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/52412
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Miklós Márton <martonmiklosqdev@gmail.com>
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
diff --git a/jlink_spi.c b/jlink_spi.c
index efd4782..3d86764 100644
--- a/jlink_spi.c
+++ b/jlink_spi.c
@@ -134,7 +134,7 @@
 	ret = jaylink_jtag_io(jaylink_devh, buffer, buffer, buffer, length * 8, JAYLINK_JTAG_VERSION_2);
 
 	if (ret != JAYLINK_OK) {
-		msg_perr("jaylink_jag_io() failed: %s.\n", jaylink_strerror(ret));
+		msg_perr("jaylink_jtag_io() failed: %s.\n", jaylink_strerror(ret));
 		free(buffer);
 		return SPI_PROGRAMMER_ERROR;
 	}
@@ -210,7 +210,7 @@
 
 	if (arg) {
 		if (!strlen(arg)) {
-			msg_perr("Emptpy serial number specified.\n");
+			msg_perr("Empty serial number specified.\n");
 			free(arg);
 			return 1;
 		}
@@ -266,7 +266,7 @@
 	ret = jaylink_discovery_scan(jaylink_ctx, 0);
 
 	if (ret != JAYLINK_OK) {
-		msg_perr("jaylink_discover_scan() failed: %s.\n", jaylink_strerror(ret));
+		msg_perr("jaylink_discovery_scan() failed: %s.\n", jaylink_strerror(ret));
 		goto init_err;
 	}
 
@@ -361,7 +361,7 @@
 		ret = jaylink_get_extended_caps(jaylink_devh, caps);
 
 		if (ret != JAYLINK_OK) {
-			msg_perr("jaylink_get_available_interfaces() failed: %s.\n", jaylink_strerror(ret));
+			msg_perr("jaylink_get_extended_caps() failed: %s.\n", jaylink_strerror(ret));
 			goto init_err;
 		}
 	}