Revert "arm: mach-k3: common: don't reconfigure background firewalls"

This reverts commit b8ebf24e7f.

This patch seems to be fundamentally wrong and requires a different way
on how the background firewalls should be configured so revert the patch

Signed-off-by: Manorit Chawdhry <m-chawdhry@ti.com>

arch/arm/mach-k3/common.c

@@ -580,10 +580,7 @@ void remove_fwl_configs(struct fwl_data *fwl_data, size_t fwl_data_size)
 
 			fwl_ops->get_fwl_region(ti_sci, &region);
 
-			/* Don't disable the background regions */
-			if (region.control != 0 &&
-			    ((region.control & K3_BACKGROUND_FIREWALL_BIT) ==
-			     0)) {
+			if (region.control != 0) {
 				pr_debug("Attempting to disable firewall %5d (%25s)\n",
 					 region.fwl_id, fwl_data[i].name);
 				region.control = 0;

arch/arm/mach-k3/common.h

@@ -9,10 +9,6 @@
 #include <asm/armv7_mpu.h>
 #include <asm/hardware.h>
 
-#define J721E  0xbb64
-#define J7200  0xbb6d
-#define K3_BACKGROUND_FIREWALL_BIT BIT(8)
-
 struct fwl_data {
 	const char *name;
 	u16 fwl_id;