CRIS: Fix RS485 delay handling.
CRIS: Fix RS485 delay handling.

Very recently, the RS485 interface has been fixed by adding two further
fields (see commit 1b6331848b69d1ed165a6bdc75c4046d68767563).

Check the value of the flag SER_RS485_RTS_BEFORE_SEND before delaying.

Signed-off-by: Claudio Scordino <c3923186c4c9da9c766af46f22a325cd4677020a@evidence.eu.com>
Signed-off-by: Jesper Nilsson <987a7dbc972893e93e5578401bedc3a0f2ccb5e3@axis.com>

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