soc: riscv: openisa_rv32m1: add missing includes

<soc.h> is needed to pull some APIs defined in soc.h.
<fsl_device_registers.h> is needed to access EVENT0/1 addresses.

Signed-off-by: Gerard Marull-Paretas <gerard@teslabs.com>

soc/riscv/openisa_rv32m1/soc.c

@@ -16,6 +16,8 @@
 #include <zephyr/irq_nextlevel.h>
 #endif
 
+#include <soc.h>
+
 #define LOG_LEVEL CONFIG_SOC_LOG_LEVEL
 #include <zephyr/logging/log.h>
 LOG_MODULE_REGISTER(soc);

soc/riscv/openisa_rv32m1/soc_offsets.h

@@ -11,6 +11,8 @@
 #ifndef SOC_RISCV32_OPENISA_RV32M1_SOC_OFFSETS_H_
 #define SOC_RISCV32_OPENISA_RV32M1_SOC_OFFSETS_H_
 
+#include <fsl_device_registers.h>
+
 #ifdef CONFIG_SOC_OPENISA_RV32M1_RI5CY
 
 #ifdef CONFIG_RISCV_SOC_CONTEXT_SAVE