soc: andestech: refactor out soc_early_init_hook() from pma.c

Refactor out the `soc_early_init_hook()` function from `pma.c` to
`soc.c` which is always compiled so that it can be extended to run
other init functions easily in the future. Then, restore the function
in `pma.c` to `pma_init()`.

Signed-off-by: Yong Cong Sin <ycsin@meta.com>

soc/andestech/ae350/pma.c

@@ -194,7 +194,7 @@ void pma_init_per_core(void)
 #endif /* CONFIG_NOCACHE_MEMORY */
 }
 
-void soc_early_init_hook(void)
+void pma_init(void)
 {
 	unsigned long mmsc_cfg;
 

soc/andestech/ae350/pma.h

@@ -13,3 +13,6 @@
  * (e.g. uncacheable) affects all CPUs.
  */
 void pma_init_per_core(void);
+
+/* Initialize PMA */
+void pma_init(void);

soc/andestech/ae350/soc.c

@@ -14,3 +14,12 @@ void soc_per_core_init_hook(void)
 #endif /* SOC_ANDES_V5_PMA */
 }
 #endif /* CONFIG_SOC_PER_CORE_INIT_HOOK */
+
+#ifdef CONFIG_SOC_EARLY_INIT_HOOK
+void soc_early_init_hook(void)
+{
+#ifdef CONFIG_SOC_ANDES_V5_PMA
+	pma_init();
+#endif /* CONFIG_SOC_ANDES_V5_PMA */
+}
+#endif /* CONFIG_SOC_EARLY_INIT_HOOK */