driver/serial: tegra_hsuart: check for NULL for dma tx

from latest photon kernel source drop
fs/ecriptfs: replaced ecriptfs read/write with new ecriptfs_sync read/write

from latest photon source drop
sched: fix RT class switch issues

for latest photon kernel source drop
block/deadline: tweaked for better performance on android
arm/crypto: Add optimized AES and SHA1 routines

Add assembler versions of AES and SHA1 for ARM platforms.  This has provided
up to a 50% improvement in IPsec/TCP throughout for tunnels using AES128/SHA1.

Platform   CPU SPeed    Endian   Before (bps)   After (bps)   Improvement

IXP425      533 MHz      big     11217042        15566294        ~38%
KS8695      166 MHz     little    3828549         5795373        ~51%

Signed-off-by: David McCullough <ucdevel@gmail.com>
defconfig: updated with latest features
defconfig: update to enable autogroup, ARM asm AES/SHA1