event: Convert existing spy records to simple

Very few of the existing event-spy records use the arguments they are
passed. Update them to use a simple spy instead, to simplify the code.

Where an adaptor function is currently used, remove it where possible.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/mach-imx/imx8/cpu.c b/arch/arm/mach-imx/imx8/cpu.c
index c623570..39ac0bc 100644
--- a/arch/arm/mach-imx/imx8/cpu.c
+++ b/arch/arm/mach-imx/imx8/cpu.c
@@ -69,7 +69,7 @@
 	return 0;
 }
 
-static int imx8_init_mu(void *ctx, struct event *event)
+static int imx8_init_mu(void)
 {
 	struct udevice *devp;
 	int node, ret;
@@ -91,7 +91,7 @@
 
 	return 0;
 }
-EVENT_SPY(EVT_DM_POST_INIT_F, imx8_init_mu);
+EVENT_SPY_SIMPLE(EVT_DM_POST_INIT_F, imx8_init_mu);
 
 #if defined(CONFIG_ARCH_MISC_INIT)
 int arch_misc_init(void)
diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c
index 78b775f..431ad95 100644
--- a/arch/arm/mach-imx/imx8m/soc.c
+++ b/arch/arm/mach-imx/imx8m/soc.c
@@ -532,7 +532,7 @@
 	writew(enable, &wdog3->wmcr);
 }
 
-static int imx8m_check_clock(void *ctx, struct event *event)
+static int imx8m_check_clock(void)
 {
 	struct udevice *dev;
 	int ret;
@@ -549,7 +549,7 @@
 
 	return 0;
 }
-EVENT_SPY(EVT_DM_POST_INIT_F, imx8m_check_clock);
+EVENT_SPY_SIMPLE(EVT_DM_POST_INIT_F, imx8m_check_clock);
 
 static void imx8m_setup_snvs(void)
 {
diff --git a/arch/arm/mach-imx/imx8ulp/soc.c b/arch/arm/mach-imx/imx8ulp/soc.c
index e23cf60..fd436dd 100644
--- a/arch/arm/mach-imx/imx8ulp/soc.c
+++ b/arch/arm/mach-imx/imx8ulp/soc.c
@@ -803,12 +803,7 @@
 
 	return 0;
 }
-
-static int imx8ulp_evt_dm_post_init(void *ctx, struct event *event)
-{
-	return imx8ulp_dm_post_init();
-}
-EVENT_SPY(EVT_DM_POST_INIT_F, imx8ulp_evt_dm_post_init);
+EVENT_SPY_SIMPLE(EVT_DM_POST_INIT_F, imx8ulp_dm_post_init);
 
 #if defined(CONFIG_SPL_BUILD)
 __weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
diff --git a/arch/arm/mach-imx/imx9/soc.c b/arch/arm/mach-imx/imx9/soc.c
index f43b73a..5d8687b 100644
--- a/arch/arm/mach-imx/imx9/soc.c
+++ b/arch/arm/mach-imx/imx9/soc.c
@@ -552,7 +552,7 @@
 	return 0;
 }
 
-int imx9_probe_mu(void *ctx, struct event *event)
+int imx9_probe_mu(void)
 {
 	struct udevice *devp;
 	int node, ret;
@@ -576,7 +576,7 @@
 
 	return 0;
 }
-EVENT_SPY(EVT_DM_POST_INIT_F, imx9_probe_mu);
+EVENT_SPY_SIMPLE(EVT_DM_POST_INIT_F, imx9_probe_mu);
 
 int timer_init(void)
 {