arch: mach-k3: security: fix the check for authentication

Fix regression occurred during refactoring for the mentioned commit.

Fixes: bd6a24759374 ("arm: mach-k3: security: separate out validating binary logic")

Signed-off-by: Manorit Chawdhry <m-chawdhry@ti.com>
diff --git a/arch/arm/mach-k3/security.c b/arch/arm/mach-k3/security.c
index 02a2c12..6038c96 100644
--- a/arch/arm/mach-k3/security.c
+++ b/arch/arm/mach-k3/security.c
@@ -91,8 +91,9 @@
 		return;
 	}
 
-	if (get_device_type() != K3_DEVICE_TYPE_HS_SE &&
-	    get_device_type() != K3_DEVICE_TYPE_HS_FS)
+	if (get_device_type() == K3_DEVICE_TYPE_GP &&
+	    (get_device_type() != K3_DEVICE_TYPE_HS_SE &&
+	     !ti_secure_cert_detected(*p_image)))
 		return;
 
 	/* Clean out image so it can be seen by system firmware */