arm64: a37xx: Disable DB configurations on ESPRESSOBin board

Bypass XHCI and AHCi board configuration flow on ESPRESSOBin
community board.
The community board does not have i2c expander and USB VBUS
is always on, so the scan for AHCi and USB devices can be
faster without unneded configurations.

Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
Cc: Stefan Roese <sr@denx.de>
Cc: Igal Liberman <igall@marvell.com>
Cc: Nadav Haklai <nadavh@marvell.com>
Signed-off-by: Stefan Roese <sr@denx.de>

board/Marvell/mvebu_armada-37xx/board.c

@@ -21,6 +21,7 @@ DECLARE_GLOBAL_DATA_PTR;
 #define I2C_IO_REG_0_SATA_OFF	2
 #define I2C_IO_REG_0_USB_H_OFF	1
 
+/* The pin control values are the same for DB and Espressobin */
 #define PINCTRL_NB_REG_VALUE	0x000173fa
 #define PINCTRL_SB_REG_VALUE	0x00007a23
 
@@ -90,6 +91,10 @@ int board_ahci_enable(void)
 	int ret;
 	u8 buf[8];
 
+	/* Only DB requres this configuration */
+	if (!of_machine_is_compatible("marvell,armada-3720-db"))
+		return 0;
+
 	/* Configure IO exander PCA9555: 7bit address 0x22 */
 	ret = i2c_get_chip_for_busnum(0, I2C_IO_EXP_ADDR, 1, &dev);
 	if (ret) {
@@ -124,6 +129,10 @@ int board_xhci_enable(void)
 	int ret;
 	u8 buf[8];
 
+	/* Only DB requres this configuration */
+	if (!of_machine_is_compatible("marvell,armada-3720-db"))
+		return 0;
+
 	/* Configure IO exander PCA9555: 7bit address 0x22 */
 	ret = i2c_get_chip_for_busnum(0, I2C_IO_EXP_ADDR, 1, &dev);
 	if (ret) {