ec/google/chrome-ec: Demote Vivaldi printk from error to info

Not all Chrome-EC devices have a keyboard or use Vivaldi for key
remapping, so demote the printk output when the EC doesn't support
it from ERROR to INFO. Adjust the printk text for clarity.

Change-Id: I14059f4e3e56ff891f302601d5acc1bb842cffc1
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72474
Reviewed-by: Caveh Jalali <caveh@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/ec/google/chromeec/ec_acpi.c b/src/ec/google/chromeec/ec_acpi.c
index 69b1078..02b6394 100644
--- a/src/ec/google/chromeec/ec_acpi.c
+++ b/src/ec/google/chromeec/ec_acpi.c
@@ -239,7 +239,7 @@
 	if (google_chromeec_get_keybd_config(&keybd) ||
 	    !keybd.num_top_row_keys ||
 	    keybd.num_top_row_keys > MAX_TOP_ROW_KEYS) {
-		printk(BIOS_ERR, "PS2K: Bad resp from EC. Vivaldi disabled!\n");
+		printk(BIOS_INFO, "PS2K: Unsupported or bad resp from EC. Vivaldi disabled!\n");
 		return;
 	}