Add two smc calls
1. smc_cmd_enable_debug: Call with r0 = -128
2. smc_cmd_set_cntfrq: Call with r0 = i-256, r1 = 24000000

Signed-off-by: Suriyan Ramasami <suriyan.r@gmail.com>
Merge pull request #1 from suriyanr/master

Add two smc calls