Bug#892972: sigscheme: update the symbol files for some arch and add some new mips arch

[YunQiang Su]

Package: src:sigscheme
Version: 0.8.5-6

For GCROOTS_push_one, the fellow architecture should be included:

alpha mips mipsel mipsn32 mipsn32el mips64 mips64el mipsr6 mipsr6el
mipsn32r6 mipsn32r6el mips64r6 mips64r6el m68k powerpc powerpcspe
ppc64 ppc64el

For GCROOTS_jmp_buf

!mips !mipsel !mipsn32 !mipsn32el !mips64 !mips64el !mipsr6 !mipsr6el
!mipsn32r6 !mipsn32r6el !mips64r6 !mips64r6el !s390 !s390x !arm64




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YunQiang Su