[media] m5mols: Add auto and preset white balance control

[media] m5mols: Add auto and preset white balance control

Replace the V4L2_CID_AUTO_WHITE_BALANCE control with its extended
version - V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE so the white balance
presets feature is exposed to user land.

Acked-by: HeungJun Kim <riverful.kim@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>