stm32mp1: Replace OTP read by SHADOW read

Replace STM32_BSEC_OTP() by STM32_BSEC_SHADOW() to
increase read performance.
Signed-off-by: NPatrice Chotard <patrice.chotard@st.com>
Signed-off-by: NPatrick Delaunay <patrick.delaunay@st.com>

arch/arm/mach-stm32mp/cpu.c

@@ -472,7 +472,7 @@ static int setup_mac_address(void)
 	if (ret)
 		return ret;
 
-	ret = misc_read(dev, BSEC_OTP_MAC * 4 + STM32_BSEC_OTP_OFFSET,
+	ret = misc_read(dev, STM32_BSEC_SHADOW(BSEC_OTP_MAC),
 			otp, sizeof(otp));
 	if (ret < 0)
 		return ret;
@@ -510,7 +510,7 @@ static int setup_serial_number(void)
 	if (ret)
 		return ret;
 
-	ret = misc_read(dev, BSEC_OTP_SERIAL * 4 + STM32_BSEC_OTP_OFFSET,
+	ret = misc_read(dev, STM32_BSEC_SHADOW(BSEC_OTP_SERIAL),
 			otp, sizeof(otp));
 	if (ret < 0)
 		return ret;