greybus: gpb: Fix print mistakes

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
diff --git a/drivers/staging/greybus/gpb.c b/drivers/staging/greybus/gpb.c
index 5f080d4..6177105 100644
--- a/drivers/staging/greybus/gpb.c
+++ b/drivers/staging/greybus/gpb.c
@@ -42,11 +42,11 @@
 		goto error_usb;
 	}
 	if (gb_i2c_protocol_init()) {
-		pr_err("error initializing usb protocol\n");
+		pr_err("error initializing i2c protocol\n");
 		goto error_i2c;
 	}
 	if (gb_spi_protocol_init()) {
-		pr_err("error initializing usb protocol\n");
+		pr_err("error initializing spi protocol\n");
 		goto error_spi;
 	}
 	return 0;