Fixed 'Unknown op size' exception when uppercase sizes were used.

src/test/java/de/platon42/intellij/plugins/m68k/parser/AddressingModesTest.kt

@@ -14,7 +14,7 @@ internal class AddressingModesTest : AbstractParsingTest() {
 
     @Test
     internal fun register_direct(@MyTestCase testCase: ParsingTestExtension.IParsingTestCase) {
-        testGoodSyntax(testCase, " move.l d0,a7\n")
+        testGoodSyntax(testCase, " MOVE.L d0,a7\n")
     }
 
     @Test

src/test/resources/parser/addressingmodes/register_direct.txt

@@ -3,9 +3,9 @@ Assembly File: a.asm
   M68kStatementImpl(STATEMENT)
     M68kAsmInstructionImpl(ASM_INSTRUCTION)
       M68kAsmOpImpl(ASM_OP)
-        PsiElement(M68kTokenType.MNEMONIC)('move')
+        PsiElement(M68kTokenType.MNEMONIC)('MOVE')
         M68kOperandSizeImpl(OPERAND_SIZE)
-          PsiElement(M68kTokenType.OPSIZE_L)('.l')
+          PsiElement(M68kTokenType.OPSIZE_L)('.L')
       PsiWhiteSpace(' ')
       M68kDataRegisterDirectAddressingModeImpl(DATA_REGISTER_DIRECT_ADDRESSING_MODE)
         M68kDataRegisterImpl(DATA_REGISTER)