MdePkg: Include Shell/ShellDynamicCommand/ShellParameters definitions

Move Shell/ShellDynamicCommand/ShellParameters definitions from
ShellPkg to MdePkg.

The following patches will rename the header file name.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>

MdePkg/MdePkg.dec

@@ -1645,6 +1645,21 @@
   ## Include/Protocol/EraseBlock.h
   gEfiEraseBlockProtocolGuid           = { 0x95a9a93e, 0xa86e, 0x4926, {0xaa, 0xef, 0x99, 0x18, 0xe7, 0x72, 0xd9, 0x87 }}
 
+  #
+  # Protocols defined in Shell2.0
+  #
+  ## Include/Protocol/Shell.h
+  gEfiShellProtocolGuid                = { 0x6302d008, 0x7f9b, 0x4f30, {0x87, 0xac, 0x60, 0xc9, 0xfe, 0xf5, 0xda, 0x4e }}
+
+  ## Include/Protocol/ShellParameters.h
+  gEfiShellParametersProtocolGuid      = { 0x752f3136, 0x4e16, 0x4fdc, {0xa2, 0x2a, 0xe5, 0xf4, 0x68, 0x12, 0xf4, 0xca }}
+
+  #
+  # Protocols defined in Shell2.1
+  #
+  ## Include/Protocol/ShellDynamicCommand.h
+  gEfiShellDynamicCommandProtocolGuid  = { 0x3c7200e9, 0x005f, 0x4ea4, {0x87, 0xde, 0xa3, 0xdf, 0xac, 0x8a, 0x27, 0xc3 }}
+
 #
 # [Error.gEfiMdePkgTokenSpaceGuid]
 #   0x80000001 | Invalid value provided.