[FIR] Add support for ILLEGAL_JVM_NAME diagnostic

compiler/testData/diagnostics/testsWithStdLib/annotations/annotationApplicability/illegalPlatformName.fir.kt

@@ -1,12 +0,0 @@
-// !DIAGNOSTICS: -UNUSED_PARAMETER
-@JvmName("")
-fun foo(a: Any) {}
-
-@JvmName(".")
-fun foo() {}
-
-@JvmName("/")
-fun fooSlash() {}
-
-@JvmName("<")
-fun fooLT() {}

compiler/testData/diagnostics/testsWithStdLib/annotations/annotationApplicability/illegalPlatformName.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // !DIAGNOSTICS: -UNUSED_PARAMETER
 <!ILLEGAL_JVM_NAME!>@JvmName("")<!>
 fun foo(a: Any) {}