s6e63m0: fix conficts sysfs interface (lcd_power)

dmesg:
<4>[    0.697143] sysfs: cannot create duplicate filename '/devices/pri_lcd_s6e63m0.0/lcd/panel/lcd_power'
<3>[    0.697509] pri_lcd_s6e63m0 pri_lcd_s6e63m0.0: failed to add lcd_power sysfs entries

There existed a file called 'lcd_power' already.
mxt224e: enable clear median filter error

[experimental!]