msm_fb: For 720p cmd mode panel change the claimed FPS value to 58

For 720p command mode panels CTS tests are failing as sometimes
FPS measured is falling below 58 and claimed FPS value is 60. So
reduce the claimed FPS value to 58.

CRs-Fixed: 457153
Change-Id: Idf14e28656257b4a9d0cde0b6a7d6cd45bca8aa6
Signed-off-by: Shivaraj Shetty <shivaraj@codeaurora.org>
Merge "msm_fb: For 720p cmd mode panel change the claimed FPS value to 58"