sota: added sota capabilities.

BugzID: 53676

conf/machine/am335x-nmhw21.conf

@@ -13,9 +13,12 @@ KERNEL_DEFCONFIG ??= "am335x-nmhw21_defconfig"
 KERNEL_DEVICETREE = "am335x-nmhw21-prod1.dtb \
     "
 KERNEL_IMAGETYPE = "zImage"
+KERNEL_CLASSES_append_sota = " kernel-fitimage"
+KERNEL_IMAGETYPE_sota = "fitImage"
 
 PREFERRED_PROVIDER_virtual/kernel = "linux-netmodule"
+PREFERRED_PROVIDER_virtual/bootloader = "u-boot-am335x-nmhw21-v1"
+
 PV_pn-linux-netmodule = "4.14.77-${SRCPV}"
 SRC_URI_pn-linux-netmodule ?= "git://git.netmodule.intranet/nmrouter/linux.git;protocol=ssh;user=gitea;branch=4.14/standard/nmhw21"
 SRCREV_pn-linux-netmodule ?= "${AUTOREV}"
-

conf/machine/include/ti33x.inc

@@ -20,17 +20,17 @@ GUI_MACHINE_CLASS = "bigscreen"
 MACHINE_KERNEL_PR = "r22"
 
 # Default providers, may need to override for specific machines
-PREFERRED_PROVIDER_virtual/kernel = "linux-mainline"
-PREFERRED_PROVIDER_virtual/bootloader = "u-boot-ti-staging"
-PREFERRED_PROVIDER_u-boot = "u-boot-ti-staging"
+PREFERRED_PROVIDER_virtual/kernel ?= "linux-mainline"
+PREFERRED_PROVIDER_virtual/bootloader ?= "u-boot-ti-staging"
+PREFERRED_PROVIDER_u-boot ?= "u-boot-ti-staging"
 
 KERNEL_IMAGETYPE = "uImage"
 
 UBOOT_ARCH = "arm"
-UBOOT_MACHINE = "am335x_evm_config"
+UBOOT_MACHINE ?= "am335x_evm_config"
 
-UBOOT_ENTRYPOINT = "0x80008000"
-UBOOT_LOADADDRESS = "0x80008000"
+UBOOT_ENTRYPOINT ?= "0x80008000"
+UBOOT_LOADADDRESS ?= "0x80008000"
 
 # Use the expected value of the ubifs filesystem's volume name in the kernel
 # and u-boot.

recipes-bsp/u-boot/u-boot-nm.inc

@@ -8,6 +8,8 @@ S = "${WORKDIR}/git"
 
 PACKAGE_ARCH = "${MACHINE_ARCH}"
 
+PROVIDES = "virtual/bootloader"
+
 inherit uboot-config deploy
 
 EXTRA_OEMAKE = 'CROSS_COMPILE=${TARGET_PREFIX} CC="${TARGET_PREFIX}gcc ${TOOLCHAIN_OPTIONS}" V=1'