drivers: rmnet_shs: Freq Boost Feature

Add option to boost a CPU when switching in order
to avoid OOO packets more effectively.

CRs-Fixed: 2469507
Change-Id: I7166c32a7b5be57d0ec106e24a67cbc1b586f132
Acked-by: Raul Martinez <mraul@qti.qualcomm.com>
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>