blackfin: Support L1 SRAM parity checking feature on bf60x

Move code for the SEC faults from the IRQ hanlders into IRQ actions.
refine bfin fault routine handle

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Steven Miao <realmz6@gmail.com>

diff --cc arch/blackfin/include/asm/def_LPBlackfin.h
Simple merge

diff --cc arch/blackfin/mach-bf609/Kconfig
Simple merge

diff --cc arch/blackfin/mach-common/cache-c.c
Simple merge

diff --cc arch/blackfin/mach-common/ints-priority.c
Simple merge