Change in coreboot[master]: payload/tianocore: Drop TIANOCORE_TARGET_IA32

[Arthur Heymans (Code Review)]

Attention is currently required from: Lance Zhao, Bora Guvendik, Lijian Zhao, Martin Roth, Matt DeVillier, John Zhao, Stefan Reinauer, Angel Pons.
Arthur Heymans has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/54189 )

Change subject: payload/tianocore: Drop TIANOCORE_TARGET_IA32
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Patch Set 7:

(1 comment)

File payloads/external/tianocore/Kconfig:

https://review.coreboot.org/c/coreboot/+/54189/comment/8530f806_b1740cf8 
PS7, Line 37: choice
            : 	prompt "Target architecture"
            : 	default TIANOCORE_TARGET_X64
            : 	help
            : 	  The Tianocore coreboot Payload Package binary can be
            : 	  built for either only IA32 or both X64 and IA32 architectures.
            : 	  Select which architecture(s) to build for; default is to build
            : 	  for both X64 and IA32.
            : 
            : config TIANOCORE_TARGET_X64
            : 	bool "X64"
            : 	help
            : 	  By selecting this option, the target architecture will be built
            : 	  for X64 and IA32.
            : 
            : endchoice
Does it make sense to keep this?