Optional OLED splash screen and fixed OLED i2c execution time saving (#12294)

* Made OLED splash screen optional to reduce memory and fixed OLED i2c execution time saving

* moved OLED address updates into their respective conditional checks

drivers/qwiic/micro_oled.c

@@ -70,7 +70,10 @@ static uint8_t micro_oled_screen_current[LCDWIDTH * LCDHEIGHT / 8] = {0};
    D6 D6.............D6       /
    D7 D7.............D7  ----
   */
-
+#ifdef NO_LCD_SPLASH
+// do not initialize with a splash screen
+static uint8_t micro_oled_screen_buffer[LCDWIDTH * LCDHEIGHT / 8] = {0};
+#else
 #    if LCDWIDTH == 64
 #        if LCDHEIGHT == 48
 static uint8_t micro_oled_screen_buffer[] = {
@@ -104,6 +107,7 @@ static uint8_t micro_oled_screen_buffer[LCDWIDTH * LCDHEIGHT / 8] = {0x00, 0x00,
 // catchall for custom screen sizes
 static uint8_t micro_oled_screen_buffer[LCDWIDTH * LCDHEIGHT / 8] = {0};
 #    endif
+#endif
 
 void micro_oled_init(void) {
     i2c_init();
@@ -145,7 +149,7 @@ void micro_oled_init(void) {
 #endif
 
     send_command(MEMORYMODE);
-    send_command(0x10);
+    send_command(0x02);   //  0x02 = 10b, Page addressing mode
 
     send_command(SETCOMPINS);  // 0xDA
     if (LCDHEIGHT > 32) {
@@ -250,13 +254,14 @@ void send_buffer(void) {
             if (micro_oled_screen_buffer[i * LCDWIDTH + j] != micro_oled_screen_current[i * LCDWIDTH + j]) {
                 if (page_addr != i) {
                     set_page_address(i);
+                    page_addr = i;
                 }
                 if (col_addr != j) {
                     set_column_address(j);
+                    col_addr = j + 1;
                 }
                 send_data(micro_oled_screen_buffer[i * LCDWIDTH + j]);
                 micro_oled_screen_current[i * LCDWIDTH + j] = micro_oled_screen_buffer[i * LCDWIDTH + j];
-                col_addr                                    = j + 1;
             }
         }
     }