dyncom: Migrate InAPrivilegedMode to armsupp

It's a generic helper function, so it should be here anyway.

src/core/arm/dyncom/arm_dyncom_interpreter.cpp

@@ -3690,10 +3690,6 @@ static int clz(unsigned int x) {
     return n;
 }
 
-static bool InAPrivilegedMode(ARMul_State* core) {
-    return (core->Mode != USER32MODE);
-}
-
 unsigned InterpreterMainLoop(ARMul_State* state) {
     Common::Profiling::ScopeTimer timer_execute(profile_execute);
 

src/core/arm/interpreter/armsupp.cpp

@@ -207,3 +207,9 @@ bool InBigEndianMode(ARMul_State* cpu)
 {
     return (cpu->Cpsr & (1 << 9)) != 0;
 }
+
+// Whether or not the given CPU is in a mode other than user mode.
+bool InAPrivilegedMode(ARMul_State* cpu)
+{
+    return (cpu->Mode != USER32MODE);
+}

src/core/arm/skyeye_common/armdefs.h

@@ -357,3 +357,4 @@ extern u32 ARMul_SignedSatQ(s32, u8, bool*);
 extern u32 ARMul_UnsignedSatQ(s32, u8, bool*);
 
 extern bool InBigEndianMode(ARMul_State*);
+extern bool InAPrivilegedMode(ARMul_State*);