misc: rcc: migrate trace to dev macro

Change debug and pr_err to dev macro and define LOG_CATEGORY.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
diff --git a/drivers/misc/stm32_rcc.c b/drivers/misc/stm32_rcc.c
index 8627545..4625e91 100644
--- a/drivers/misc/stm32_rcc.c
+++ b/drivers/misc/stm32_rcc.c
@@ -4,6 +4,8 @@
  * Author(s): Patrice Chotard, <patrice.chotard@foss.st.com> for STMicroelectronics.
  */
 
+#define LOG_CATEGORY UCLASS_NOP
+
 #include <common.h>
 #include <dm.h>
 #include <log.h>
@@ -45,10 +47,10 @@
 		(struct stm32_rcc_clk *)dev_get_driver_data(dev);
 	int ret;
 
-	debug("%s(dev=%p)\n", __func__, dev);
+	dev_dbg(dev, "RCC bind\n");
 	drv = lists_driver_lookup_name(rcc_clk->drv_name);
 	if (!drv) {
-		debug("Cannot find driver '%s'\n", rcc_clk->drv_name);
+		dev_err(dev, "Cannot find driver '%s'\n", rcc_clk->drv_name);
 		return -ENOENT;
 	}