sim: mn10300: tweak static inlines

Use INLINE2 instead of INLINE to fix builds when -O0 are used -- the
latter define is omitted at -O0 levels while the former is always
set to inline.  These helper funcs are used by defines in here but
the defines aren't always called.
diff --git a/sim/mn10300/ChangeLog b/sim/mn10300/ChangeLog
index e4db482..0e2c36f 100644
--- a/sim/mn10300/ChangeLog
+++ b/sim/mn10300/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-17  Mike Frysinger  <vapier@gentoo.org>
+
+	* mn10300_sim.h (u642dw, dw2u64): Change INLINE to INLINE2.
+
 2021-06-16  Mike Frysinger  <vapier@gentoo.org>
 
 	* configure: Regenerate.
diff --git a/sim/mn10300/mn10300_sim.h b/sim/mn10300/mn10300_sim.h
index c63efaa..1f696d5 100644
--- a/sim/mn10300/mn10300_sim.h
+++ b/sim/mn10300/mn10300_sim.h
@@ -158,7 +158,7 @@
 u642dw (sim_core_read_unaligned_8 (STATE_CPU (simulator, 0), \
 				   PC, read_map, (ADDR)))
 
-static INLINE dword
+static INLINE2 dword
 u642dw (unsigned64 dw)
 {
   dword r;
@@ -185,7 +185,7 @@
 sim_core_write_unaligned_8 (STATE_CPU (simulator, 0), \
 			    PC, write_map, (ADDR), dw2u64 (DATA))
 
-static INLINE unsigned64
+static INLINE2 unsigned64
 dw2u64 (dword data)
 {
   return data.low | (((unsigned64)data.high) << 32);