Revert "net: phy: airoha: drop fw_builtin for better upstreaming"

This reverts commit a1eeb05.

drivers/net/phy/Kconfig

@@ -106,6 +106,9 @@ config PHY_AIROHA_FW_IN_UBI
 config PHY_AIROHA_FW_IN_MTD
 	bool "Airoha firmware in MTD partition on raw flash"
 
+config PHY_AIROHA_FW_BUILTIN
+	bool "Airoha firmware builtin in uboot binary"
+
 endchoice
 
 menuconfig PHY_AQUANTIA

drivers/net/phy/air_en8811h.c

@@ -29,6 +29,10 @@
 #include <mtd.h>
 #endif
 
+#if CONFIG_PHY_AIROHA_FW_BUILTIN
+#include "air_en8811h_fw.h"
+#endif
+
 #if AIR_UBOOT_REVISION > 0x202004
 #include <linux/delay.h>
 #endif
@@ -311,7 +315,11 @@ static int en8811h_load_firmware(struct phy_device *phydev)
 			return -ENOMEM;
 		}
 
-#if CONFIG_PHY_AIROHA_FW_IN_UBI
+#if CONFIG_PHY_AIROHA_FW_BUILTIN
+	//firmware_buf=EthMD32_dm;
+	memcpy(firmware_buf,EthMD32_dm,EN8811H_MD32_DM_SIZE+EN8811H_MD32_DSP_SIZE);
+	//memcpy((void *)(firmware_buf+EN8811H_MD32_DM_SIZE),EthMD32_pm,EthMD32_pm_size);
+#elif CONFIG_PHY_AIROHA_FW_IN_UBI
 		ret = ubi_volume_read("en8811h-fw", firmware_buf, EN8811H_MD32_DM_SIZE + EN8811H_MD32_DSP_SIZE);
 		if (ret) {
 			printf("[Airoha] read firmware from UBI failed.\n");