sysc/UartSC: include unistd.h

Fixes build issues with newer toolchains
cappuccino: mor1kx parameter update
cappuccino: test list upate
remove accesses to non-existing r32 in or1200/crt0.S
fix OR1K_ALU_OPC_SECONDARY_SELECT typo
add set flag, branch flag test

tests various combinations of l.sfxx and l.b(n)f instructions
cappuccino: enable or1k-sfbf test
sysc/Mor1kxMonitor: add branch prediction statistic summary