Add configuration for PewPew M4 board

Information about the board: https://hackaday.io/project/165032

(cherry picked from commit c08c68a)

boards/pewpew_m4/board.mk

@@ -0,0 +1,2 @@
+CHIP_FAMILY = samd51
+CHIP_VARIANT = SAMD51J19A

boards/pewpew_m4/board_config.h

@@ -0,0 +1,74 @@
+#ifndef BOARD_CONFIG_H
+#define BOARD_CONFIG_H
+
+#define VENDOR_NAME "Radomir Dopieralski"
+#define PRODUCT_NAME "PewPew"
+#define VOLUME_LABEL "PEWBOOT"
+#define INDEX_URL "http://pewpew.rtfd.io"
+#define BOARD_ID "SAMD51J19A-PewPew-M4"
+
+#define USB_VID 0x239A
+#define USB_PID 0x0034
+
+#define BOARD_NEOPIXEL_COUNT 0
+
+#define BOARD_SCREEN 1
+
+#define BOOT_USART_MODULE SERCOM3
+#define BOOT_USART_MASK APBAMASK
+#define BOOT_USART_BUS_CLOCK_INDEX MCLK_APBBMASK_SERCOM3
+#define BOOT_USART_PAD_SETTINGS UART_RX_PAD1_TX_PAD0
+#define BOOT_USART_PAD3 PINMUX_UNUSED
+#define BOOT_USART_PAD2 PINMUX_UNUSED
+#define BOOT_USART_PAD1 PINMUX_PA22C_SERCOM3_PAD0
+#define BOOT_USART_PAD0 PINMUX_PA23C_SERCOM3_PAD1
+#define BOOT_GCLK_ID_CORE SERCOM3_GCLK_ID_CORE
+#define BOOT_GCLK_ID_SLOW SERCOM3_GCLK_ID_SLOW
+
+#define HAS_CONFIG_DATA 1
+
+// This configuration data should be edited at https://microsoft.github.io/uf2/patcher/
+// Just drop this file there.
+// Alternatively, it can be also binary edited there after the bootloader is compiled.
+
+#ifdef DEFINE_CONFIG_DATA
+const uint32_t config_data[] = {
+    /* CF2 START */
+    513675505, 539130489, // magic
+    23, 100,  // used entries, total entries
+    4, 0xa, // PIN_BTN_A = PA10
+    5, 0x9, // PIN_BTN_B = PA09
+    26, 0x2, // PIN_SPEAKER_AMP = PA02
+    32, 0xd, // PIN_DISPLAY_SCK = PA13
+    34, 0xf, // PIN_DISPLAY_MOSI = PA15
+    35, 0xb, // PIN_DISPLAY_CS = PA11
+    36, 0x10, // PIN_DISPLAY_DC = PA16
+    37, 0xa0, // DISPLAY_WIDTH = 160
+    38, 0x80, // DISPLAY_HEIGHT = 128
+    39, 0x20180, // DISPLAY_CFG0 = 0x20180
+    40, 0x12c2d, // DISPLAY_CFG1 = 0x12c2d
+    41, 0x18, // DISPLAY_CFG2 = 0x18
+    43, 0x11, // PIN_DISPLAY_RST = PA17
+    47, 0x37, // PIN_BTN_LEFT = PB23
+    48, 0x36, // PIN_BTN_RIGHT = PB22
+    49, 0x17, // PIN_BTN_UP = PA23
+    50, 0x1b, // PIN_BTN_DOWN = PA27
+    51, 0x16, // PIN_BTN_MENU = PA22
+    204, 0x80000, // FLASH_BYTES = 0x80000
+    205, 0x30000, // RAM_BYTES = 0x30000
+    208, 0x470c08e2, // BOOTLOADER_BOARD_ID = 0x470c08e2
+    209, 0x55114460, // UF2_FAMILY = ATSAMD51
+    210, 0x20, // PINS_PORT_SIZE = PA_32
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    /* CF2 END */
+};
+#endif
+
+#endif
+
+
+