Enable ARCH_SUPPORTS_BIG_ENDIAN in Kconfig.
zynq_secondary_trampoline is the first function
that is called on secondary CPU.
Reference:
"ARM: mcpm: fix big endian issue in mcpm startup code"
(sha1: 519ceb9fd10cd7e836d0aa97b2068cc9e97f463b)
Fix early printk support. Based on:
"ARM: pl01x debug code endian fix"
(sha1: 76e3faf156fa95b6465e747d702b94faf67117fc)
Signed-off-by: Michal Simek <michal.simek@xilinx.com>