edk2-test: use bash 'shift' in build.sh to manage arguments
edk2-test: use bash 'shift' in build.sh to manage arguments

The script was using a big list of numerical argument to pass on extra
parameters. Use the bash 'shift' command to carve of arguments for the
script so that $@ can be used for the remainder.

Signed-off-by: Grant Likely <grant.likely@arm.com>

Reviewed-by: G Edhaya Chandran<ac011554eec6bd974d9badfa44ab85dfe3150932@arm.com>
Reviewed-by: Samer El-Haj-Mahmoud <82311543ae30ea516bb376dcdfb83d58e982a2e8@arm.com>

tianocore/edk2-test,tianocore/edk2-test,tianocore/edk2-test