zephyr-kernel: install .bin image if available

Some boards (e.g. Arduino Nano 33 BLE) require image in bin format
for flashing with `-c flash_usb`. Provide that image along with ELF
image on do_deploy step.

Signed-off-by: Nagesh Shamnur <nagesh.shamnur@huawei.com>
Signed-off-by: Stefan Schmidt <stefan.schmidt@huawei.com>
Signed-off-by: Naveen Saini <naveen.kumar.saini@intel.com>

recipes-kernel/zephyr-kernel/zephyr-kernel-common.inc

@@ -12,6 +12,7 @@ ZEPHYR_GCC_VARIANT="yocto"
 ZEPHYR_SYSROOT="${STAGING_DIR_TARGET}"
 
 ZEPHYR_MAKE_OUTPUT = "zephyr.elf"
+ZEPHYR_MAKE_BIN_OUTPUT = "zephyr.bin"
 
 EXTRA_OECMAKE = "\
     -DZEPHYR_BASE=${S} \

recipes-kernel/zephyr-kernel/zephyr-sample.inc

@@ -9,5 +9,9 @@ do_install[noexec] = "1"
 
 do_deploy () {
     install -D ${B}/zephyr/${ZEPHYR_MAKE_OUTPUT} ${DEPLOYDIR}/${PN}.elf
+    if [ -f ${B}/zephyr/${ZEPHYR_MAKE_BIN_OUTPUT} ]
+    then
+      install -D ${B}/zephyr/${ZEPHYR_MAKE_BIN_OUTPUT} ${DEPLOYDIR}/${PN}.bin
+    fi
 }
 addtask deploy after do_compile