x86: bayleybay: Add PS/2 keyboard and mouse to ASL file

Without PS/2 keyboard and mouse in the ASL file, Windows does not
see them. No problem for Linux as it probes keyboard and mouse via
the legacy 8042 I/O port.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

board/intel/bayleybay/acpi/mainboard.asl

@@ -9,3 +9,41 @@ Device (PWRB)
 {
 	Name(_HID, EISAID("PNP0C0C"))
 }
+
+/* PS/2 keyboard and mouse */
+Scope (\_SB.PCI0.LPCB)
+{
+	/* 8042 Keyboard */
+	Device (PS2K)
+	{
+		Name(_HID, EISAID("PNP0303"))
+		Name(_CRS, ResourceTemplate()
+		{
+			IO(Decode16, 0x60, 0x60, 0x00, 0x01)
+			IO(Decode16, 0x64, 0x64, 0x00, 0x01)
+			IRQNoFlags() { 1 }
+		})
+
+		Method(_STA, 0, Serialized)
+		{
+			Return (STA_VISIBLE)
+		}
+	}
+
+	/* 8042 Mouse */
+	Device (PS2M)
+	{
+		Name(_HID, EISAID("PNP0F03"))
+		Name(_CRS, ResourceTemplate()
+		{
+			IO(Decode16, 0x60, 0x60, 0x00, 0x01)
+			IO(Decode16, 0x64, 0x64, 0x00, 0x01)
+			IRQNoFlags() { 12 }
+		})
+
+		Method(_STA, 0, Serialized)
+		{
+			Return (STA_VISIBLE)
+		}
+	}
+}