upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support

wdenk b98fff1d6a * Patch by Rahul Shanbhag, 28 Jan 2004: ... Fix flash protection/locking handling for OMAP1610 innovator board. * Patch by Rolf Peukert, 28 Jan 2004: fix flash write problems on CSB226 board (write with 32 bit bus width) * Patches by Mark Jonas, 16 Jan 2004: - fix rounding error when calculating baudrates for MPC5200 PSCs - make sure CFG_RAMBOOT and CFG_LOWBOOT are not enabled at the same time which is not supported		22 years ago
..
Makefile	* Code cleanup:	22 years ago
config.mk	* Code cleanup:	22 years ago
csb226.c	* Code cleanup:	22 years ago
flash.c	* Patch by Rahul Shanbhag, 28 Jan 2004:	22 years ago
memsetup.S	* Code cleanup:	22 years ago
u-boot.lds	Patch by Anders Larsen, 09 Jan 2004:	22 years ago