msm: rpm_rbcpr_stats_v2: Changes for new RPM stats format

The RBCPR(Rapid Bridge Core Power Redcution) driver on RPM processor has
modified the way the RBCPR stats are laid out. Modify the RBCPR stats
driver on Apps to adjust for those.

Change-Id: I51eebf7b52af712281b13f8d831e24dfaeb6de86
Signed-off-by: Girish Mahadevan <girishm@codeaurora.org>
Signed-off-by: Venkat Devarasetty <vdevaras@codeaurora.org>