ALSA: hda: Assign boolean values to a bool variable

Fix the following coccicheck warnings:

./sound/pci/hda/hda_intel.c:2309:3-23: WARNING: Assignment of
0/1 to bool variable.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Zhong <abaci-bugfix@linux.alibaba.com>
Link: https://lore.kernel.org/r/1611559047-106928-1-git-send-email-abaci-bugfix@linux.alibaba.comSigned-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/hda_intel.c

@@ -2300,7 +2300,7 @@ static int azx_probe_continue(struct azx *chip)
 
 		/* HSW/BDW controllers need this power */
 		if (CONTROLLER_IN_GPU(pci))
-			hda->need_i915_power = 1;
+			hda->need_i915_power = true;
 	}
 
 	/* Request display power well for the HDA controller or codec. For