u-boot: not use == to compatible with dash

Signed-off-by: Ting Liu <b28495@freescale.com>
Tested-by: Luo Zhenhua-B19537 <zhenhua.luo@freescale.com>
usdpaa: set MACHINE_ARCH specific, same with dependency fmc

Signed-off-by: Ting Liu <b28495@freescale.com>
Tested-by: Luo Zhenhua-B19537 <zhenhua.luo@freescale.com>
add custom-licenses dir for freescale EULA

Signed-off-by: Ting Liu <b28495@freescale.com>
fix Freescale EULA warning

This takes care of this build warning:
WARNING: eth-config: No generic license file exists for: Freescale in
any provider
WARNING: eth-config: No generic license file exists for: EULA in any
provider

Signed-off-by: Ting Liu <b28495@freescale.com>
libedit: pull in from meta-oe as it is needed by usdpaa

meta-fsl-ppc should not depends on meta-oe to run, so keep a copy
of libedit in this layer.

Signed-off-by: Zhenhua Luo <zhenhua.luo@freescale.com>