i2c-at91: compile fix (IS_ERR)
i2c-at91: compile fix (IS_ERR)

  CC      drivers/i2c/busses/i2c-at91.o
drivers/i2c/busses/i2c-at91.c: In function 'at91_i2c_probe':
drivers/i2c/busses/i2c-at91.c:213: warning: implicit declaration of function 'IS_ERR'

Signed-off-by: Alexey Dobriyan <b99bff5923d24d2fb8e844db9dac7cd59203da1d@gmail.com>
Cc: David Brownell <e543181633fc0fc2787945ef377537d9112d0c96@pacbell.net>
Acked-by: Jean Delvare <49ad6a9f5aa17024c23048df346d55bda6837e01@linux-fr.org>
Signed-off-by: Andrew Morton <5c1e68b099950c134891f0b6e179498a8ebe9cf9@linux-foundation.org>
Signed-off-by: Linus Torvalds <69652caca27c8b940640ad396ab71f93cacec34f@linux-foundation.org>

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