ALSA: emu10k1: don't update firmware during suspend/resume

Add a flag to suppress the update in emu1010_firmware_thread() during
suspend/resume.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/include/sound/emu10k1.h b/include/sound/emu10k1.h
index 9dc94b5..f841ba4 100644
--- a/include/sound/emu10k1.h
+++ b/include/sound/emu10k1.h
@@ -1796,6 +1796,7 @@
 	unsigned int *saved_icode;
 	unsigned int *p16v_saved;
 	unsigned int saved_a_iocfg, saved_hcfg;
+	bool suspend;
 #endif
 
 };