dmaengine: imx-dma: remove sg member from internal structure.
dmaengine: imx-dma: remove sg member from internal structure.

This member is redundant, because it is already present in
descriptor structure. Removing it will make further removing
of 'internal' structure easier.

Signed-off-by: Javier Martin <bc650ed6f7e96f783596936e885b30ab9a703a6b@vista-silicon.com>
Acked-by: Sascha Hauer <c00cbc2b736c26791a3822db86f8796fe9efff67@pengutronix.de>
Signed-off-by: Vinod Koul <5cf69c63beb17bf38d63aa0e923ee8256af0e205@linux.intel.com>

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