drivers: sensor: lis2de12: add length check in spi write incr routine

Added a length check in the spi write incr routine to handle both
single and multi byte write operations properly.

Signed-off-by: Mayank Narang <[email protected]>
(cherry picked from commit cb60881)

Author: narangmayank

drivers/sensor/st/stmemsc/stmemsc_spi.c

@@ -73,6 +73,9 @@ int stmemsc_spi_read_incr(const struct spi_dt_spec *stmemsc,
 int stmemsc_spi_write_incr(const struct spi_dt_spec *stmemsc,
 			   uint8_t reg_addr, uint8_t *value, uint8_t len)
 {
-	reg_addr |= STMEMSC_SPI_ADDR_AUTO_INCR;
+	if (len > 1) {
+		reg_addr |= STMEMSC_SPI_ADDR_AUTO_INCR;
+	}
+
 	return stmemsc_spi_write(stmemsc, reg_addr, value, len);
 }