u-boot-glsdk: update to latest fixes
u-boot-glsdk: update to latest fixes

* Migration of u-boot code to omapzoom.org. The development tree is shared
  between the Linux and Android teams.This enables a common u-boot development
  platform for both the teams for better alignment.
* Enable UART boot mode for dra7xx
* Add VIP,VPE and Ethernet crossbar setting for dra7xx
* Add SPL API, QSPI, and serial flash support of dra7xx

Signed-off-by: Mrinmayee Hingolikar <65ee8764f43536ab6a1236598fe300183eb7172f@ti.com>
Signed-off-by: Denys Dmytriyenko <d29de71aea38aad3a87d486929cb0aad173ae612@ti.com>

tylerwhall/meta-ti,smoosvi/Test4,tylerwhall/meta-ti,RedFIR/meta-ti,joelagnel/meta-ti,RedFIR/meta-ti,jumpnow/meta-ti,smoosvi/Test4,rcn-ee/meta-ti,rcn-ee/meta-ti,RedFIR/meta-ti,tylerwhall/meta-ti,jumpnow/meta-ti,joelagnel/meta-ti,joelagnel/meta-ti,rcn-ee/meta-ti,RedFIR/meta-ti,rcn-ee/meta-ti,joelagnel/meta-ti,tylerwhall/meta-ti