net: wireless: bcmdhd: Fixed data CRC errors

It is probable that enable the CMD14 in sd bus, creates problems.
In the old version of the driver is used only in the BCM4330 chipset.

dmesg:
<3>[  127.747741] mmc0: Data CRC error
<3>[  127.747863] msmsdcc_data_err: opcode 0x00000035
<3>[  127.747924] msmsdcc_data_err: blksz 4, blocks 1
Squashed update of BFQ-v6r1 to BFQ-v6r2
Merge branch 'cm-10.1' of git://github.com/arco/samsung-kernel-msm7x30 into cm-10.1_exp2
video: msm: lcdc_s6e63m0: Corrected an unmanaged gamma for autobrightness

Inside the "s6e63m0_set_elvss" method the management of GAMMA_20CD is missing inside the switch block:
case GAMMA_30CD ... GAMMA_100CD
should be
case GAMMA_20CD ... GAMMA_100CD

Have been corrected also some wrong comments.
video: msm: lcdc_s6e63m0: Set the DEFAULT_GAMMA_LEVEL from 160CD to 20CD

This fixes the high brightness for a sec when turning on the display
s6e63m0: Lower gamma 20 values

Tweak birghtness levels to allow a lower value.