media: coda: use genalloc API

media: coda: use genalloc API

This patch depends on "genalloc: add devres support, allow to find a
managed pool by device", which provides the of_get_named_gen_pool and
dev_get_gen_pool functions.

Signed-off-by: Philipp Zabel <[email protected]>
Acked-by: Javier Martin <[email protected]>
Acked-by: Grant Likely <[email protected]>
Cc: Michal Simek <[email protected]>
Cc: Dong Aisheng <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: Huang Shijie <[email protected]>
Cc: Matt Porter <[email protected]>
Cc: Paul Gortmaker <[email protected]>
Cc: Rob Herring <[email protected]>
Cc: Shawn Guo <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>