iio: adc: rzg2l_adc: Fix typo

Fix typo RZG2L_ADSMP_DEFUALT_SAMPLING -> RZG2L_ADSMP_DEFAULT_SAMPLING.
Reported-by: Pavel Machek <pavel@denx.de>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Pavel Machek <pavel@denx.de>
Link: https://lore.kernel.org/r/20220107172529.12361-1-prabhakar.mahadev-lad.rj@bp.renesas.comSigned-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/adc/rzg2l_adc.c

@@ -55,7 +55,7 @@
 #define RZG2L_ADCR(n)			(0x30 + ((n) * 0x4))
 #define RZG2L_ADCR_AD_MASK		GENMASK(11, 0)
 
-#define RZG2L_ADSMP_DEFUALT_SAMPLING	0x578
+#define RZG2L_ADSMP_DEFAULT_SAMPLING	0x578
 
 #define RZG2L_ADC_MAX_CHANNELS		8
 #define RZG2L_ADC_CHN_MASK		0x7
@@ -395,7 +395,7 @@ static int rzg2l_adc_hw_init(struct rzg2l_adc *adc)
 	reg &= ~RZG2L_ADM3_ADIL_MASK;
 	reg &= ~RZG2L_ADM3_ADCMP_MASK;
 	reg &= ~RZG2L_ADM3_ADSMP_MASK;
-	reg |= (RZG2L_ADM3_ADCMP_E | RZG2L_ADSMP_DEFUALT_SAMPLING);
+	reg |= (RZG2L_ADM3_ADCMP_E | RZG2L_ADSMP_DEFAULT_SAMPLING);
 	rzg2l_adc_writel(adc, RZG2L_ADM(3), reg);
 
 exit_hw_init: