[Marvell] Build infrastructure enhancements (sonic-net#18143)

* Move mrvl-prestera and sonic-platform-marvell submodule

'mrvl-prestera' and 'sonic-platform-marvell' submodules are
moved from 'marvell-arm64'to 'marvell'.
Additionaly submodules are changed to support multi-architecture build.

Signed-off-by: Pavan Naregundi <pnaregundi@marvell.com>

Author: pavannaregundi

.azure-pipelines/azure-pipelines-build.yml

@@ -90,13 +90,15 @@ jobs:
             pool: sonicbld-armhf
           timeoutInMinutes: 2880
           variables:
+            PLATFORM_NAME: marvell
             PLATFORM_ARCH: armhf
 
         - name: marvell-arm64
           ${{ if not(parameters.qemuOrCrossBuild) }}:
             pool: sonicbld-arm64
           timeoutInMinutes: 2880
           variables:
+            PLATFORM_NAME: marvell
             PLATFORM_ARCH: arm64
 
         - name: marvell

.azure-pipelines/azure-pipelines-image-template.yml

@@ -49,7 +49,8 @@ jobs:
           sudo modprobe overlay
           sudo apt-get install -y acl
           sudo bash -c "echo 1 > /proc/sys/vm/compact_memory"
-          ENABLE_DOCKER_BASE_PULL=y make PLATFORM=$(PLATFORM_AZP) PLATFORM_ARCH=$(PLATFORM_ARCH) $(BUILD_OPTIONS) configure
+          [ -z "$PLATFORM_NAME" ] && PLATFORM_NAME=$(PLATFORM_AZP)
+          ENABLE_DOCKER_BASE_PULL=y make PLATFORM=$PLATFORM_NAME PLATFORM_ARCH=$(PLATFORM_ARCH) $(BUILD_OPTIONS) configure
         displayName: 'Make configure'
     postSteps:
       - script: |