[media] cx231xx: add required VIDIOC_DBG_G_CHIP_IDENT support
[media] cx231xx: add required VIDIOC_DBG_G_CHIP_IDENT support

This fixes a v4l2_compliance failure.

[ad86ba2154032c9f55743a190faa2459a9d61d42@redhat.com: CodingStyle fixes]
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>

Signed-off-by: Mauro Carvalho Chehab <ad86ba2154032c9f55743a190faa2459a9d61d42@redhat.com>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs