Zilker-SDK Yocto integration for Raspberrypi 3

Yocto Build Steps

Build Steps for Dunfell branch :

repo init -u https://code.rdkcentral.com/r/manifests -b dunfell -m rdkb-extsrc.xml

$ repo sync -j`nproc` --no-clone-bundle

$ MACHINE=raspberrypi-rdk-broadband source meta-cmf-raspberrypi/setup-environment

$ bitbake rdk-generic-broadband-image

Recipe	Layer	Error/Warning	Root Cause	Action
zilker_2.2.0	meta-cmf-raspberrypi	Error: Missing SRC_URI checksum	not added checksum	Added sha256sum checksum
zilker_2.2.0	meta-cmf-raspberrypi	Error: zilker-git-r0 do_fetch: Fetcher failure for URL: ParseError at /home/sbeher128/rama/meta-cmf-raspberrypi/recipes-zilker/zilker-sdk/zilker_2.2.0.bb: unparsed line: 'SRC_URI	not add SRC_URI properly	git://rdkcentral/zilker-sdk;protocol=${RDK_GIT_PROTOCOL};branch=${ZILKER_BRANCH};name=zilker-client"
trower-base64_1.0.bb	meta-rdk-broadband	WARNING: trower-base64-git+AUTOINC+fbb9440ae2-r0 do_fetch: Failed to fetch URL git://github.com/Comcast/trower-base64.git ERROR: trower-base64-git+AUTOINC+fbb9440ae2-r0 do_fetch: Fetcher failure: Unable to find revision fbb9440ae2bc1118866baefcea7ff814f16613dd in branch master even from upstream ERROR: trower-base64-git+AUTOINC+fbb9440ae2-r0 do_fetch: Fetcher failure for URL: 'git://github.com/Comcast/trower-base64.git'. Unable to fetch URL from any source.	not added related SRC_URL	added SRC_URI like git://github.com/Comcast/trower-base64.git;branch=main File Path : /meta-rdk-ext/recipes-support/trower-base64/trower-base64_1.0.bb
zilker_git.bb	meta-rdk-broadband	fatal error: ccronexpr.h: No such file or directory \| 37 \| #include <ccronexpr.h> \| \| ^~~~~~~~~~~~~ \| compilation terminated. \| ninja: build stopped: subcommand failed.	not linked with ccronexpr library