cmd/internal/obj/s390x: Adding Crypto mnemonics to the assembler

[srinivas-pokala]

Currently a few crypto intsructions in the s390x Architecture's are hardcoded using BYTE and WORD. Need to add KDSA, KM,KMC,KMCTR,KIMD,KMA, KLMD instructions to go assembler.

@golang/s390x

[gopherbot]

Change https://go.dev/cl/509075 mentions this issue: cmd/asm: add s390x crypto related instructions

[srinivas-pokala]

Added CL for adding KM,KMC,KIMD,KLMD instructions to the assembler.

[gopherbot]

Change https://go.dev/cl/515195 mentions this issue: Add assembly mnemonics for KMA and KMCTR instruction

[Vishwanatha-HD]

Raised a CL to add the assembly instruction mnemonics for KMA and KMCTR instructions. CL link is:
https://go-review.googlesource.com/c/go/+/515195