V4L/DVB: media: video: pvrusb2: remove custom hex_to_bin()
V4L/DVB: media: video: pvrusb2: remove custom hex_to_bin()

Signed-off-by: Andy Shevchenko <e11a926d64056a9601d8b64a4b8e158f9732e628@gmail.com>
Acked-by: Mike Isely <2ea935d8c40c107fcce175c9ba49ff51e4d69087@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <ad86ba2154032c9f55743a190faa2459a9d61d42@redhat.com>

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