samples: drivers: video: convert to new LOG_MODULE_REGISTER() syntax

Convert the log module declarationto the new syntax introduced in
5e34681 proposing a more compact syntax.
This fixes the log level not being updated in the "capture" sample.

Signed-off-by: Josuah Demangeon <me@josuah.net>

Author: josuah

samples/drivers/video/capture/src/main.c

@@ -12,14 +12,13 @@
 #include <zephyr/drivers/video-controls.h>
 
 #include <zephyr/logging/log.h>
-LOG_MODULE_REGISTER(main);
 
 #ifdef CONFIG_TEST
 #include "check_test_pattern.h"
 
-#define LOG_LEVEL LOG_LEVEL_DBG
+LOG_MODULE_REGISTER(main, LOG_LEVEL_DBG);
 #else
-#define LOG_LEVEL CONFIG_LOG_DEFAULT_LEVEL
+LOG_MODULE_REGISTER(main, CONFIG_LOG_DEFAULT_LEVEL);
 #endif
 
 #if DT_HAS_CHOSEN(zephyr_display)

samples/drivers/video/capture_to_lvgl/src/main.c

@@ -9,11 +9,10 @@
 #include <zephyr/drivers/display.h>
 #include <zephyr/drivers/video.h>
 #include <zephyr/drivers/video-controls.h>
+#include <zephyr/logging/log.h>
 #include <lvgl.h>
 
-#define LOG_LEVEL CONFIG_LOG_DEFAULT_LEVEL
-#include <zephyr/logging/log.h>
-LOG_MODULE_REGISTER(main);
+LOG_MODULE_REGISTER(main, CONFIG_LOG_DEFAULT_LEVEL);
 
 int main(void)
 {

samples/drivers/video/tcpserversink/src/main.c

@@ -6,14 +6,11 @@
 
 #include <zephyr/kernel.h>
 #include <zephyr/device.h>
-
 #include <zephyr/net/socket.h>
-
 #include <zephyr/drivers/video.h>
-
-#define LOG_LEVEL CONFIG_LOG_DEFAULT_LEVEL
 #include <zephyr/logging/log.h>
-LOG_MODULE_REGISTER(main);
+
+LOG_MODULE_REGISTER(main, CONFIG_LOG_DEFAULT_LEVEL);
 
 #define MY_PORT          5000
 #define MAX_CLIENT_QUEUE 1