hw/arm: Express dependencies of the aspeed boards with Kconfig

Dependencies have been determined by looking at hw/arm/aspeed.c

Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig
index a507144..95ac0b5 100644
--- a/hw/arm/Kconfig
+++ b/hw/arm/Kconfig
@@ -255,6 +255,16 @@
 
 config ASPEED_SOC
     bool
+    select DS1338
+    select FTGMAC100
+    select I2C
+    select PCA9552
+    select SERIAL
+    select SMBUS_EEPROM
+    select SSI
+    select SSI_M25P80
+    select TMP105
+    select TMP421
 
 config MPS2
     bool