defconfig: Enable QCA SDIO config flags for Dual-WiFi

Enable config flags for QCA SDIO mdmcalifornium target.
This flags enable SDIO platform driver and the Features
for WLAN driver.

CRs-Fixed: 990796
Change-Id: I55f83d5593ed2807cb8e5edaf213632637840cad
Signed-off-by: Komal Kumar <kseelam@codeaurora.org>
Signed-off-by: Hardik Kantilal Patel <hkpatel@codeaurora.org>
Signed-off-by: Sarada Prasanna Garnayak <sgarna@codeaurora.org>
Signed-off-by: Ryan Hsu <ryanhsu@codeaurora.org>