arm: atmel: sama5d3: correct the ID for DBGU and PIT

As the DBGU and PIT has its own ID on sama5d3 SoC, while not share
with SYS ID. So, correct them.

Signed-off-by: Bo Shen <voice.shen@atmel.com>
arm: at91: pm9261: remove undefined bit in mckr

The PLLADIV2 bit is not defined in at91sam9261 SoC, so remove it.

Signed-off-by: Bo Shen <voice.shen@atmel.com>
arm: atmel: sama5d3: correct the error define of DIV

Correct the error define of DIV.

Signed-off-by: Bo Shen <voice.shen@atmel.com>
arm: atmel: sama5d3: the offset of MULA is 18

The offset of MULA field in PLLA register in sama5d3 is 18,
and the length only 7 bits.

Signed-off-by: Bo Shen <voice.shen@atmel.com>
arm: atmel: sama5d3: early enable PIO peripherals

Enable the PIO peripherals early than other peripherals.

Signed-off-by: Bo Shen <voice.shen@atmel.com>
arm: atmel: at91sam9x5: cleanup cs configure for spi

As the cs for spi is worked in gpio mode, so no need to configure
it as peripheral and then configure to gpio. Configure it to gpio
directly.

Signed-off-by: Bo Shen <voice.shen@atmel.com>
arm: atmel: at91sam9x5: cleanup unneeded undef

remove unneeded #undef for at91sam9x5ek board.

Signed-off-by: Bo Shen <voice.shen@atmel.com>
arm: atmel: at91sam9x5: move CONFIG_SYS_NO_FLASH to proper position

In config_cmd_default.h, it will use CONFIG_SYS_NO_FLASH to decide
whether include CONFIG_CMD_FLASH and CONFIG_CMD_IMLS. So, move the
CONFIG_SYS_NO_FLASH to proper position, then we don't need to undef
these two commands.

Signed-off-by: Bo Shen <voice.shen@atmel.com>