defconfig: msm: Enable MSM_TIMER_LEAP

Enable MSM_TIMER_LEAP config flag in both msmcortex_defocnfig
and msmcorte-perf_defconfig files. This option enables check
for architecture timer leaps, when all least significant 32bits
of CNTVCT or CNTPCT counter is set and rereads counters.

CRs-Fixed: 1074621
Change-Id: I0ffa124df76f8cc063c2ebee5497baed879c76ef
Signed-off-by: Prasad Sodagudi <psodagud@codeaurora.org>