ArmPkg: Update Generic Watchdog PCD Type #7357

Job	Run time
Analyze (ArmPkg, IA32,X64)	4m 36s
Analyze (CryptoPkg, IA32)	15m 56s
Analyze (CryptoPkg, X64)	17m 45s
Analyze (DynamicTablesPkg, IA32,X64)	9m 27s
Analyze (FatPkg, IA32,X64)	9m 12s
Analyze (FmpDevicePkg, IA32,X64)	10m 26s
Analyze (IntelFsp2Pkg, IA32,X64)	10m 12s
Analyze (IntelFsp2WrapperPkg, IA32,X64)	10m 48s
Analyze (MdeModulePkg, IA32)	14m 30s
Analyze (MdeModulePkg, X64)	16m 2s
Analyze (MdePkg, IA32,X64)	11m 45s
Analyze (PcAtChipsetPkg, IA32,X64)	8m 37s
Analyze (PrmPkg, IA32,X64)	10m 2s
Analyze (SecurityPkg, IA32,X64)	11m 1s
Analyze (ShellPkg, IA32,X64)	11m 36s
Analyze (SourceLevelDebugPkg, IA32,X64)	7m 2s
Analyze (StandaloneMmPkg, IA32,X64)	8m 37s
Analyze (UefiCpuPkg, IA32,X64)	11m 5s
Analyze (UnitTestFrameworkPkg, IA32,X64)	11m 1s
	3h 29m 40s

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