sc7280: Enable bootblock compression

This patch enables bootblock compression on SC7280. In my tests, that
makes it boot roughly 10ms faster (which isn't much, but... might as
well take it).

Ref link: https://review.coreboot.org/c/coreboot/+/45855

BUG=b:182963902
TEST=Validated on qualcomm sc7180 and sc7280 development board.

Change-Id: I3564a7e531d769c8df16a1592ea98133d83b07b0
Signed-off-by: Ravi Kumar Bokka <rbokka@codeaurora.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52131
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Shelley Chen <shchen@google.com>

src/soc/qualcomm/sc7280/Kconfig

@@ -13,6 +13,7 @@ config SOC_QUALCOMM_SC7280
 	select SOC_QUALCOMM_COMMON
 	select CACHE_MRC_SETTINGS
 	select HAS_RECOVERY_MRC_CACHE
+	select COMPRESS_BOOTBLOCK
 
 if SOC_QUALCOMM_SC7280
 

src/soc/qualcomm/sc7280/Makefile.inc

@@ -1,5 +1,8 @@
 ifeq ($(CONFIG_SOC_QUALCOMM_SC7280),y)
 
+decompressor-y += decompressor.c
+decompressor-y += mmu.c
+decompressor-y += ../common/timer.c
 all-y += ../common/timer.c
 all-y += ../common/gpio.c
 all-y += ../common/clock.c

src/soc/qualcomm/sc7280/decompressor.c

@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <bootblock_common.h>
+#include <soc/mmu.h>
+
+void decompressor_soc_init(void)
+{
+	sc7280_mmu_init();
+}