ci: Use variable image name for rpi build

Use IMAGE variable for rpi build. Set IMAGE to zImage in
azure-pipelines-rpi.yml.

Signed-off-by: Alisa-Dariana Roman <alisa.roman@analog.com>
(cherry picked from commit 317c123)

Author: romandariana

azure-pipelines-rpi.yml

@@ -31,14 +31,17 @@ stages:
         bcm2709_arm_adi:
           DEFCONFIG: adi_bcm2709_defconfig
           ARCH: arm
+          IMAGE: zImage
           artifactName: 'adi_bcm2709_defconfig'
         bcm2711_arm_adi:
           DEFCONFIG: adi_bcm2711_defconfig
           ARCH: arm
+          IMAGE: zImage
           artifactName: 'adi_bcm2711_defconfig'
         bcmrpi_arm_adi:
           DEFCONFIG: adi_bcmrpi_defconfig
           ARCH: arm
+          IMAGE: zImage
           artifactName: 'adi_bcmrpi_defconfig'
     pool:
       vmImage: 'ubuntu-latest'

ci/travis/run-build.sh

@@ -259,7 +259,7 @@ build_default() {
 	if [[ "${SYSTEM_PULLREQUEST_TARGETBRANCH}" =~ ^rpi-.* || "${BUILD_SOURCEBRANCH}" =~ ^refs/heads/rpi-.* \
 		|| "${BUILD_SOURCEBRANCH}" =~ ^refs/heads/staging-rpi ]]; then
 		echo "Rpi build"
-    		make -j$NUM_JOBS zImage modules dtbs
+    		make -j$NUM_JOBS $IMAGE modules dtbs
 		make INSTALL_MOD_PATH="${PWD}/modules" modules_install
 	else
     		echo "Normal build"