V4L/DVB (6142): cx25840: fix build warning
V4L/DVB (6142): cx25840: fix build warning

Fix the following build warning:

 CC [M]  cx25840-core.o

cx25840-core.c: In function 'init_dll1':
cx25840-core.c:147: warning: implicit declaration of function 'udelay'


Signed-off-by: Michael Krufky <00524723a60798c74a43fcc620c25dd7b9ece078@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <ad86ba2154032c9f55743a190faa2459a9d61d42@infradead.org>

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