Added gamma values for ST7735 displays (#22313)

Co-authored-by: Pablo Martínez <58857054+elpekenin@users.noreply.github.com>
Co-authored-by: Nick Brassel <nick@tzarc.org>

drivers/painter/st77xx/qp_st7735.c

@@ -58,6 +58,8 @@ __attribute__((weak)) bool qp_st7735_init(painter_device_t device, painter_rotat
         ST77XX_SET_PIX_FMT,            0,  1, 0x55,
         ST77XX_CMD_INVERT_OFF,         0,  0,
         ST77XX_CMD_NORMAL_ON,          0,  0,
+        ST7735_SET_PGAMMA,             0, 16, 0x02, 0x1C, 0x07, 0x12, 0x37, 0x32, 0x29, 0x2D, 0x29, 0x25, 0x2B, 0x39, 0x00, 0x01, 0x03, 0x10,
+        ST7735_SET_NGAMMA,             0, 16, 0x03, 0x1D, 0x07, 0x06, 0x2E, 0x2C, 0x29, 0x2D, 0x2E, 0x2E, 0x37, 0x3F, 0x00, 0x00, 0x02, 0x10,
         ST77XX_CMD_DISPLAY_ON,        20,  0
     };
     // clang-format on