cleanup const, remove QL_MCU and related unused group

Author: xwings

qiling/const.py

@@ -51,17 +51,14 @@ class QL_INTERCEPT(IntEnum):
 
 QL_DEBUGGER_ALL = (QL_DEBUGGER.IDAPRO, QL_DEBUGGER.GDB, QL_DEBUGGER.QDB)
 
-QL_ARCH_MCU32  = (QL_ARCH.CORTEX_M,)
-QL_ARCH_MCU    = QL_ARCH_MCU32
-
 QL_ARCH_ENDIAN = (QL_ARCH.MIPS, QL_ARCH.ARM)
 QL_ARCH_1BIT   = (QL_ARCH.EVM,)
 QL_ARCH_16BIT  = (QL_ARCH.A8086,)
-QL_ARCH_32BIT  = (QL_ARCH.ARM, QL_ARCH.ARM_THUMB, QL_ARCH.MIPS, QL_ARCH.X86) + QL_ARCH_MCU32
+QL_ARCH_32BIT  = (QL_ARCH.ARM, QL_ARCH.ARM_THUMB, QL_ARCH.MIPS, QL_ARCH.X86, QL_ARCH.CORTEX_M)
 QL_ARCH_64BIT  = (QL_ARCH.ARM64, QL_ARCH.X8664)
 
 QL_OS_NONPID        = (QL_OS.DOS, QL_OS.UEFI)
-QL_ARCH_HARDWARE    = QL_ARCH_MCU
+QL_ARCH_HARDWARE    = (QL_ARCH.CORTEX_M,)
 QL_ARCH_NONEOS      = (QL_ARCH.EVM,)
 QL_OS_POSIX         = (QL_OS.LINUX, QL_OS.FREEBSD, QL_OS.MACOS, QL_OS.QNX)
 QL_OS_ALL           = QL_OS_POSIX + QL_OS_NONPID + (QL_OS.WINDOWS,)