msm: mdss: Bound check for the config length used in IGC test
msm: mdss: Bound check for the config length used in IGC test

Include bound check for the config length used in mdss_mdp_igc_lut_config
function.

CRs-fixed: 489258
Change-Id: Id9fd2ac9e368ad32d44e3bcf48ebbdecfb2c13c4
Signed-off-by: Mukesh Jha <4ebd4608b2a51b0e10041d818b4507981e42e0b7@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas