defconfig: enable CDSP loader driver for qcs405

enable CDSP loader which brings up CDSP during boot.

Change-Id: I14cb33821f186e8779f346a9b27d62c596eaaa24
Acked-by: Chenna Kesava Raju <chennak@qti.qualcomm.com>
Signed-off-by: Tharun Kumar Merugu <mtharu@codeaurora.org>