ASoC: atmel: fix spelling mistake in Kconfig "programable" -> "programmable"

There are a couple of spelling mistakes in the Kconfig help text. Fix them.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Link: https://lore.kernel.org/r/20201216112608.11385-1-colin.king@canonical.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/atmel/Kconfig

@@ -143,7 +143,7 @@ config SND_MCHP_SOC_SPDIFTX
 	  - sama7g5
 
 	  This S/PDIF TX driver is compliant with IEC-60958 standard and
-	  includes programable User Data and Channel Status fields.
+	  includes programmable User Data and Channel Status fields.
 
 config SND_MCHP_SOC_SPDIFRX
 	tristate "Microchip ASoC driver for boards using S/PDIF RX"
@@ -157,5 +157,5 @@ config SND_MCHP_SOC_SPDIFRX
 	  - sama7g5
 
 	  This S/PDIF RX driver is compliant with IEC-60958 standard and
-	  includes programable User Data and Channel Status fields.
+	  includes programmable User Data and Channel Status fields.
 endif