cnss2: Resume PCIe and MHI before forcing RDDM

There is no need to do full resume when force RDDM happens which
may come in resume context itself. Only make sure PCIe and MHI are
resumed before forcing RDDM.

Change-Id: Iba170826da418c49a0e2673a9ecb0211fda5a1be
Signed-off-by: Yue Ma <yuem@codeaurora.org>