linux-ls1: Update to 3ced9e8 revision

   This includes following changes:

   c742cbe arm: dts: ls1021a: rename QDS and TWR board dts name for consistence
   dbaf1e5 ARM: ls1021a: add gating clocks to IP blocks.
   0eb706c watchdog: imx2_wdt: Add power management support.
   b53a344 watchdog: imx2_wdt: adds big endianness support.
   eb157e1 watchdog: imx2_wdt: convert to watchdog core api
   71b5f25 watchdog: Get rid of MODULE_ALIAS_MISCDEV statements
   54d638d watchdog: imx2_wdt: disable watchdog timer during low power mode
   c495541 watchdog: imx2_wdt: expose module alias for loading from device-tree

Signed-off-by: Chunrong Guo <B40290@freescale.com>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
rcw : Update to 38ec2c9 revision

   This includes following changes:

   69c87db ls1021aqds: set value of uboot entry address for qspiboot
   a59bea9 ls1021a: add rcw for enable sai
   ca0b3d1 ls1021aqds: sdboot: fix value of PBI_SRC and IFC_MODE
   3ac85c8 ls1021atwr: add rcw for SD card boot
   43707fa ls1021aqds: add rcw for NAND boot
   1948685 ls1021a: remove custom part number "letech"

Signed-off-by: Chunrong Guo <B40290@freescale.com>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
u-boot-ls1: Update to 50d6848 revision

     This includes following changes:

     50d6848 arm: ls102xa: Update bit reversing for SCFG registers
     4d18340 arm: ls102xa: Remove custom part number SLS1020A and related defination
     756cbdc arm: ls102xa: clear EPU registers for deep sleep
     1d333c7 arm: ls102xa: correct the base address of DCSR registers

Signed-off-by: Chunrong Guo <B40290@freescale.com>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
ls1021atwr: update UBOOT_CONFIG and device tree

   *ls102xa rename QDS and TWR board dts name for consistence
   *ls102xa add LPUART board config for QDS/TWR boards
   *ls102xa remove letech board config for QDS/TWR boards

Signed-off-by: Chunrong Guo <B40290@freescale.com>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
ls1021aqds: update UBOOT_CONFIG and device tree

   *ls102xa rename QDS and TWR board dts name for consistence
   *ls102xa add LPUART board config for QDS/TWR boards
   *ls102xa remove letech board config for QDS/TWR boards

Signed-off-by: Chunrong Guo <B40290@freescale.com>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>