arm: mach-k3: common: Default to non fitImage boot on HS-FS

Allow non fitImage bootflow on Field Securable (HS-FS) devices in
addition to GP, force fitImage boot only on Security enforced (HS-SE)
devices where signed images are necessary to maintain chain of trust.

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Kamlesh Gurudasani <kamlesh@ti.com>

arch/arm/mach-k3/common.c

@@ -641,8 +641,8 @@ int misc_init_r(void)
 			printf("Failed to probe am65_cpsw_nuss driver\n");
 	}
 
-	/* Default FIT boot on non-GP devices */
-	if (get_device_type() != K3_DEVICE_TYPE_GP)
+	/* Default FIT boot on HS-SE devices */
+	if (get_device_type() == K3_DEVICE_TYPE_HS_SE)
 		env_set("boot_fit", "1");
 
 	return 0;