event: Convert arch_cpu_init_dm() to use events

Instead of a special function, send an event after driver model is inited
and adjust the boards which use this function.

Signed-off-by: Simon Glass <sjg@chromium.org>

arch/x86/lib/spl.c

@@ -17,6 +17,7 @@
 #include <syscon.h>
 #include <asm/cpu.h>
 #include <asm/cpu_common.h>
+#include <asm/fsp2/fsp_api.h>
 #include <asm/global_data.h>
 #include <asm/mrccache.h>
 #include <asm/mtrr.h>
@@ -27,7 +28,7 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-__weak int arch_cpu_init_dm(void)
+__weak int fsp_setup_pinctrl(void *ctx, struct event *event)
 {
 	return 0;
 }
@@ -89,7 +90,7 @@ static int x86_spl_init(void)
 		return ret;
 	}
 #ifndef CONFIG_TPL
-	ret = arch_cpu_init_dm();
+	ret = fsp_setup_pinctrl(NULL, NULL);
 	if (ret) {
 		debug("%s: arch_cpu_init_dm() failed\n", __func__);
 		return ret;