trusted-firmware-a.mk: pass DTC path similar to u-boot.mk

Instead of relying on dtc being provided by the build host use the
dtc from $(LINUX_DIR) similar to how it's done also in u-boot.mk.
For this to work kernel.mk now needs to be included before
trusted-firmware-a.mk, add this include to all affected packages.

Signed-off-by: Daniel Golle <[email protected]>

include/trusted-firmware-a.mk

@@ -72,10 +72,13 @@ define Build/Configure/Trusted-Firmware-A
 	$(INSTALL_DIR) $(STAGING_DIR)/usr/include
 endef
 
+DTC=$(wildcard $(LINUX_DIR)/scripts/dtc/dtc)
+
 define Build/Compile/Trusted-Firmware-A
 	+$(MAKE) $(PKG_JOBS) -C $(PKG_BUILD_DIR) \
 		CROSS_COMPILE=$(TARGET_CROSS) \
 		OPENSSL_DIR=$(STAGING_DIR_HOST) \
+		$(if $(DTC),DTC="$(DTC)") \
 		PLAT=$(PLAT) \
 		BUILD_STRING="OpenWrt v$(PKG_VERSION)-$(PKG_RELEASE) ($(VARIANT))" \
 		$(TFA_MAKE_FLAGS)

package/boot/arm-trusted-firmware-bcm63xx/Makefile

@@ -13,6 +13,7 @@ PKG_MIRROR_HASH:=9d5d04f572b1b6ddc6eb3064b9cb09f5fe982e82d350790041d35316349af12
 
 PKG_MAINTAINER:=Rafał Miłecki <[email protected]>
 
+include $(INCLUDE_DIR)/kernel.mk
 include $(INCLUDE_DIR)/trusted-firmware-a.mk
 include $(INCLUDE_DIR)/package.mk
 

package/boot/arm-trusted-firmware-mediatek/Makefile

@@ -19,6 +19,7 @@ PKG_MIRROR_HASH:=4af9ce8e11511afee7f588cc982946c06339edbfa47afef6a7f3e2231ac9f34
 
 PKG_MAINTAINER:=Daniel Golle <[email protected]>
 
+include $(INCLUDE_DIR)/kernel.mk
 include $(INCLUDE_DIR)/trusted-firmware-a.mk
 include $(INCLUDE_DIR)/package.mk
 

package/boot/arm-trusted-firmware-mvebu/Makefile

@@ -13,6 +13,7 @@ PKG_HASH:=53422dc649153838e03820330ba17cb10afe3e330ecde0db11e4d5f1361a33e6
 
 PKG_MAINTAINER:=Vladimir Vid <[email protected]>
 
+include $(INCLUDE_DIR)/kernel.mk
 include $(INCLUDE_DIR)/trusted-firmware-a.mk
 include $(INCLUDE_DIR)/package.mk
 

package/boot/arm-trusted-firmware-sunxi/Makefile

@@ -21,6 +21,7 @@ PKG_LICENSE_FILES:=license.md
 
 PKG_MAINTAINER:=Hauke Mehrtens <[email protected]>
 
+include $(INCLUDE_DIR)/kernel.mk
 include $(INCLUDE_DIR)/trusted-firmware-a.mk
 include $(INCLUDE_DIR)/package.mk