cnss2: Increase QMI and FW ready timeouts

Increase QMI timeout from 3 seconds to 10 seconds and FW ready timeout
from 5 seconds to 20 seconds to cover the corner cases for emulation
setup.

Change-Id: Idb23b760e241ed17388aa41f12dc08ebc0441ca0
CRs-fixed: 2015654
Signed-off-by: Yue Ma <yuem@codeaurora.org>