ASoC: Remove outdated FIXME from WM8915

Actually the current code is perfectly sensible given the hardware.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>

sound/soc/codecs/wm8915.c

@@ -1001,7 +1001,6 @@ SND_SOC_DAPM_PGA("IN1R", WM8915_POWER_MANAGEMENT_7, 3, 0, NULL, 0),
 SND_SOC_DAPM_PGA("IN2L", WM8915_POWER_MANAGEMENT_7, 6, 0, NULL, 0),
 SND_SOC_DAPM_PGA("IN2R", WM8915_POWER_MANAGEMENT_7, 7, 0, NULL, 0),
 
-/* FIXME - these need to be concentrator widgets */
 SND_SOC_DAPM_SUPPLY("DMIC2", WM8915_POWER_MANAGEMENT_7, 9, 0, NULL, 0),
 SND_SOC_DAPM_SUPPLY("DMIC1", WM8915_POWER_MANAGEMENT_7, 8, 0, NULL, 0),