m68k: atari_keyb_init operator precedence fix

Fix operator precedence bug in atari_keyb_init, which caused a failure on CT60

Signed-off-by: Michael Schmitz <schmitz@debian.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/m68k/atari/atakeyb.c b/arch/m68k/atari/atakeyb.c
index 8a2a53b..bb959fb 100644
--- a/arch/m68k/atari/atakeyb.c
+++ b/arch/m68k/atari/atakeyb.c
@@ -580,13 +580,15 @@
 	do {
 		/* reset IKBD ACIA */
 		acia.key_ctrl = ACIA_RESET |
-				(atari_switches & ATARI_SWITCH_IKBD) ? ACIA_RHTID : 0;
+				((atari_switches & ATARI_SWITCH_IKBD) ?
+				 ACIA_RHTID : 0);
 		(void)acia.key_ctrl;
 		(void)acia.key_data;
 
 		/* reset MIDI ACIA */
 		acia.mid_ctrl = ACIA_RESET |
-				(atari_switches & ATARI_SWITCH_MIDI) ? ACIA_RHTID : 0;
+				((atari_switches & ATARI_SWITCH_MIDI) ?
+				 ACIA_RHTID : 0);
 		(void)acia.mid_ctrl;
 		(void)acia.mid_data;
 
@@ -599,7 +601,8 @@
 				 ACIA_RHTID : ACIA_RLTID);
 
 		acia.mid_ctrl = ACIA_DIV16 | ACIA_D8N1S |
-				(atari_switches & ATARI_SWITCH_MIDI) ? ACIA_RHTID : 0;
+				((atari_switches & ATARI_SWITCH_MIDI) ?
+				 ACIA_RHTID : 0);
 
 	/* make sure the interrupt line is up */
 	} while ((mfp.par_dt_reg & 0x10) == 0);