MdePkg/BaseRngLib: Remove global variable for RDRAND state update #6651

Job	Run time
Analyze (ArmPkg, IA32,X64)	3m 46s
Analyze (CryptoPkg, IA32)	14m 51s
Analyze (CryptoPkg, X64)	16m 10s
Analyze (DynamicTablesPkg, IA32,X64)	12m 10s
Analyze (FatPkg, IA32,X64)	11m 51s
Analyze (FmpDevicePkg, IA32,X64)	11m 51s
Analyze (IntelFsp2Pkg, IA32,X64)	11m 39s
Analyze (IntelFsp2WrapperPkg, IA32,X64)	12m 2s
Analyze (MdeModulePkg, IA32)	16m 45s
Analyze (MdeModulePkg, X64)	16m 38s
Analyze (MdePkg, IA32,X64)	13m 11s
Analyze (PcAtChipsetPkg, IA32,X64)	7m 18s
Analyze (PrmPkg, IA32,X64)	11m 41s
Analyze (SecurityPkg, IA32,X64)	17m 32s
Analyze (ShellPkg, IA32,X64)	13m 35s
Analyze (SourceLevelDebugPkg, IA32,X64)	13m 38s
Analyze (StandaloneMmPkg, IA32,X64)	12m 59s
Analyze (UefiCpuPkg, IA32,X64)	16m 57s
Analyze (UnitTestFrameworkPkg, IA32,X64)	12m 36s
	4h 7m 10s

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