uboot-bcm4908: add BCM4912 build

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
(cherry picked from commit f4c2dab544)

package/boot/uboot-bcm4908/Makefile

@@ -25,8 +25,14 @@ define U-Boot/bcm4908
   UBOOT_CONFIG:=bcm94908
 endef
 
+define U-Boot/bcm4912
+  NAME:=Broadcom's BCM4912
+  UBOOT_CONFIG:=bcm94912
+endef
+
 UBOOT_TARGETS := \
-	bcm4908
+	bcm4908 \
+	bcm4912
 
 define Build/Prepare
 	$(call Build/Prepare/Default)

package/boot/uboot-bcm4908/patches/200-configs-bcm94908-unset-CONFIG_SPL.patch

@@ -23,7 +23,8 @@ shipped with every firmware.
 Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
 ---
  configs/bcm94908_defconfig | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
+ configs/bcm94912_defconfig | 2 +-
+ 2 files changed, 2 insertions(+), 2 deletions(-)
 
 --- a/configs/bcm94908_defconfig
 +++ b/configs/bcm94908_defconfig
@@ -36,3 +37,14 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
  CONFIG_SPL_LIBDISK_SUPPORT=y
  CONFIG_ENV_VARS_UBOOT_CONFIG=y
  CONFIG_TPL_SYS_MALLOC_F_LEN=0x11000
+--- a/configs/bcm94912_defconfig
++++ b/configs/bcm94912_defconfig
+@@ -22,7 +22,7 @@ CONFIG_TPL_LIBCOMMON_SUPPORT=y
+ CONFIG_TPL_LIBGENERIC_SUPPORT=y
+ CONFIG_SPL_SYS_MALLOC_F_LEN=0x2000
+ CONFIG_NR_DRAM_BANKS=2
+-CONFIG_SPL=y
++# CONFIG_SPL is not set
+ CONFIG_SPL_LIBDISK_SUPPORT=y
+ CONFIG_ENV_VARS_UBOOT_CONFIG=y
+ CONFIG_TPL_SYS_MALLOC_F_LEN=0x10000

package/boot/uboot-bcm4908/patches/201-Assume-TPL-support-for-ATF-when-compiling-U-Boot-wit.patch

@@ -19,8 +19,9 @@ deal with compiling SPL or TPL.
 Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
 ---
  arch/arm/mach-bcmbca/bcm4908/cpu.c | 2 +-
+ arch/arm/mach-bcmbca/bcm4912/cpu.c | 2 +-
  board/broadcom/bcmbca/board.c      | 4 ++--
- 2 files changed, 3 insertions(+), 3 deletions(-)
+ 3 files changed, 4 insertions(+), 4 deletions(-)
 
 --- a/arch/arm/mach-bcmbca/bcm4908/cpu.c
 +++ b/arch/arm/mach-bcmbca/bcm4908/cpu.c
@@ -33,6 +34,17 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
  void boot_secondary_cpu(unsigned long vector)
  {
  	uint32_t cpu, nr_cpus = QUAD_CPUS;
+--- a/arch/arm/mach-bcmbca/bcm4912/cpu.c
++++ b/arch/arm/mach-bcmbca/bcm4912/cpu.c
+@@ -174,7 +174,7 @@ int bcmbca_get_boot_device(void)
+ 	return BOOT_DEVICE_NONE;
+ }
+ 
+-#if !defined(CONFIG_TPL_ATF)
++#if defined(CONFIG_TPL) && !defined(CONFIG_TPL_ATF)
+ void boot_secondary_cpu(unsigned long vector)
+ {
+ 	uint32_t cpu, nr_cpus = 4;
 --- a/board/broadcom/bcmbca/board.c
 +++ b/board/broadcom/bcmbca/board.c
 @@ -103,7 +103,7 @@ void board_spinor_init(void)