m68k comments break patch submission due to being incorrectly formatted

Altering all comments in target/m68k to match Qemu coding styles so that future
patches wont fail due to style breaches.

Signed-off-by: Lucien Murray-Pitts <lucienmp.qemu@gmail.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20190606234125.GA4830@localhost.localdomain>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
diff --git a/target/m68k/helper.c b/target/m68k/helper.c
index 31aacb5..ae766a6 100644
--- a/target/m68k/helper.c
+++ b/target/m68k/helper.c
@@ -965,9 +965,11 @@
 }
 
 /* MAC unit.  */
-/* FIXME: The MAC unit implementation is a bit of a mess.  Some helpers
-   take values,  others take register numbers and manipulate the contents
-   in-place.  */
+/*
+ * FIXME: The MAC unit implementation is a bit of a mess.  Some helpers
+ * take values,  others take register numbers and manipulate the contents
+ * in-place.
+ */
 void HELPER(mac_move)(CPUM68KState *env, uint32_t dest, uint32_t src)
 {
     uint32_t mask;
@@ -1047,9 +1049,11 @@
     if (env->macsr & MACSR_V) {
         env->macsr |= MACSR_PAV0 << acc;
         if (env->macsr & MACSR_OMC) {
-            /* The result is saturated to 32 bits, despite overflow occurring
-               at 48 bits.  Seems weird, but that's what the hardware docs
-               say.  */
+            /*
+             * The result is saturated to 32 bits, despite overflow occurring
+             * at 48 bits.  Seems weird, but that's what the hardware docs
+             * say.
+             */
             result = (result >> 63) ^ 0x7fffffff;
         }
     }