toolchain updates for flight pro 8096 kyro cross compilation#24

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plusk01 wants to merge 2 commits intoATLFlight:masterfrom

mit-acl:sfpro-toolchain

Commits on Jul 17, 2019

correct sysroot and compiler path for sfpro toolchain
plusk01
committed
allow linker to use the sysroot to find the correct sdsprpc.so (softfp)
plusk01
committed