bmips: add subtargets for each SoC

BMIPS is a generic arch that can be used for multiple Broadcom SoCs, each one
with its own specific drivers, so instead of having a huge kernel supporting
all of them, let's switch to a subtarget per SoC like other OpenWrt targets.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

1 files changed, 16 insertions, 0 deletions

diff --git a/target/linux/bmips/bcm6368/base-files/lib/upgrade/platform.sh b/target/linux/bmips/bcm6368/base-files/lib/upgrade/platform.sh
new file mode 100644
index 0000000000..1cf95be26a
--- /dev/null
+++ b/target/linux/bmips/bcm6368/base-files/lib/upgrade/platform.sh
@@ -0,0 +1,16 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+PART_NAME=firmware
+REQUIRE_IMAGE_METADATA=1
+
+platform_check_image() {
+	return 0
+}
+
+platform_do_upgrade() {
+	case "$(board_name)" in
+	*)
+		default_do_upgrade "$1"
+		;;
+	esac
+}