drivers: icm42688: fix accel and gyro frequency in period calculation

When calculating accel and gyro period for 12.5Hz, the frequency value is
incorrect. Updated to correct value.

Signed-off-by: Yau-ming Leung <ymleung314@gmail.com>

Author: ymleung314

drivers/sensor/tdk/icm42688/icm42688_decoder.c

@@ -290,7 +290,7 @@ static uint32_t accel_period_ns[] = {
 	[ICM42688_DT_ACCEL_ODR_1_5625] = UINT32_C(10000000000000) / 15625,
 	[ICM42688_DT_ACCEL_ODR_3_125] = UINT32_C(10000000000000) / 31250,
 	[ICM42688_DT_ACCEL_ODR_6_25] = UINT32_C(10000000000000) / 62500,
-	[ICM42688_DT_ACCEL_ODR_12_5] = UINT32_C(10000000000000) / 12500,
+	[ICM42688_DT_ACCEL_ODR_12_5] = UINT32_C(10000000000000) / 125000,
 	[ICM42688_DT_ACCEL_ODR_25] = UINT32_C(1000000000) / 25,
 	[ICM42688_DT_ACCEL_ODR_50] = UINT32_C(1000000000) / 50,
 	[ICM42688_DT_ACCEL_ODR_100] = UINT32_C(1000000000) / 100,
@@ -305,7 +305,7 @@ static uint32_t accel_period_ns[] = {
 };
 
 static uint32_t gyro_period_ns[] = {
-	[ICM42688_DT_GYRO_ODR_12_5] = UINT32_C(10000000000000) / 12500,
+	[ICM42688_DT_GYRO_ODR_12_5] = UINT32_C(10000000000000) / 125000,
 	[ICM42688_DT_GYRO_ODR_25] = UINT32_C(1000000000) / 25,
 	[ICM42688_DT_GYRO_ODR_50] = UINT32_C(1000000000) / 50,
 	[ICM42688_DT_GYRO_ODR_100] = UINT32_C(1000000000) / 100,