soc: samsung: include linux/array_size.h where needed

This does not necessarily get included through asm/io.h:

drivers/soc/samsung/exynos3250-pmu.c:120:18: error: use of undeclared identifier 'ARRAY_SIZE'
  120 |         for (i = 0; i < ARRAY_SIZE(exynos3250_list_feed); i++) {
      |                         ^
drivers/soc/samsung/exynos5250-pmu.c:162:18: error: use of undeclared identifier 'ARRAY_SIZE'
  162 |         for (i = 0; i < ARRAY_SIZE(exynos5_list_both_cnt_feed); i++) {
      |                         ^

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20250305211446.43772-1-arnd@kernel.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Author: arndb

drivers/soc/samsung/exynos-asv.c

@@ -9,6 +9,7 @@
  * Samsung Exynos SoC Adaptive Supply Voltage support
  */
 
+#include <linux/array_size.h>
 #include <linux/cpu.h>
 #include <linux/device.h>
 #include <linux/energy_model.h>

drivers/soc/samsung/exynos-chipid.c

@@ -12,6 +12,7 @@
  * Samsung Exynos SoC Adaptive Supply Voltage and Chip ID support
  */
 
+#include <linux/array_size.h>
 #include <linux/device.h>
 #include <linux/errno.h>
 #include <linux/mfd/syscon.h>

drivers/soc/samsung/exynos-pmu.c

@@ -5,6 +5,7 @@
 //
 // Exynos - CPU PMU(Power Management Unit) support
 
+#include <linux/array_size.h>
 #include <linux/arm-smccc.h>
 #include <linux/of.h>
 #include <linux/of_address.h>

drivers/soc/samsung/exynos-usi.c

@@ -6,6 +6,7 @@
  * Samsung Exynos USI driver (Universal Serial Interface).
  */
 
+#include <linux/array_size.h>
 #include <linux/clk.h>
 #include <linux/mfd/syscon.h>
 #include <linux/module.h>

drivers/soc/samsung/exynos3250-pmu.c

@@ -5,6 +5,7 @@
 //
 // Exynos3250 - CPU PMU (Power Management Unit) support
 
+#include <linux/array_size.h>
 #include <linux/soc/samsung/exynos-regs-pmu.h>
 #include <linux/soc/samsung/exynos-pmu.h>
 

drivers/soc/samsung/exynos5250-pmu.c

@@ -5,6 +5,7 @@
 //
 // Exynos5250 - CPU PMU (Power Management Unit) support
 
+#include <linux/array_size.h>
 #include <linux/soc/samsung/exynos-regs-pmu.h>
 #include <linux/soc/samsung/exynos-pmu.h>
 

drivers/soc/samsung/exynos5420-pmu.c

@@ -5,6 +5,7 @@
 //
 // Exynos5420 - CPU PMU (Power Management Unit) support
 
+#include <linux/array_size.h>
 #include <linux/pm.h>
 #include <linux/soc/samsung/exynos-regs-pmu.h>
 #include <linux/soc/samsung/exynos-pmu.h>