HACKATHON-2025: Manifest changes for meta-arm

Reason for change : Deprecated SOC specific layer i.e.meta-raspberrypi
		    Added meta-arm in manifest
Test Procedure : Build image, check sanity,
		 Board boots fine, No core-dumps observed.
Risks: High
Priority: P3
Change-Id: Ie0671b52d55e88f1c45c3f3eef1cb54759a4f9fc
Signed-off-by: Aurobinda Bharat Maharana <aurobindabharatmaharana.n@zilogic.com>

rdkb-extsrc.xml

diff --git a/rdkb-extsrc.xml b/rdkb-extsrc.xml
index f68ec6d..16972ce 100644
--- a/rdkb-extsrc.xml
+++ b/rdkb-extsrc.xml
@@ -10,6 +10,7 @@
     <project name="components/opensource/OMI"/>
     <project name="components/opensource/gdbus-client"/>
     <project name="plume-design/meta-rdk-opensync" remote="github" path="meta-rdk-opensync" revision="osync_4.4.0"/>
+    <project name="meta-arm" remote="yocto" path="meta-arm" revision="kirkstone"/>
     <project name="rdk/components/generic/OvsAgent"/>
     <project name="rdk/components/generic/WebconfigFramework"/>
     <project name="rdk/components/generic/breakpad_wrapper"/>
@@ -38,7 +39,6 @@
     <project name="rdk/components/generic/syslog_helper"/>
     <project name="rdk/components/generic/telemetry"/>
     <project name="rdk/components/generic/xupnp"/>
-    <project name="rdk/components/opensource/oe/meta-raspberrypi" path="meta-raspberrypi"/>
     <project name="rdk/components/opensource/oe/meta-rtlwifi" path="meta-rtlwifi" revision="rdk/morty"/>
     <project name="rdk/devices/raspberrypi/webpa-client"/>
     <project name="rdkb/components/generic/CcspLogAgent"/>