aspeed: Fix maximum number of spi controller

Commit 6de4aa8 ("hw/arm/aspeed_ast27x0: Add SoC Support for AST2700
A1") extends ast2700a1 spis_num to 3, but ASPEED_SPIS_NUM defines the
maximum number of spi controller to 2, result in ehci[0] is being
overwritten in runtime.

Signed-off-by: Troy Lee <[email protected]>
Fixes: 6de4aa8 ("hw/arm/aspeed_ast27x0: Add SoC Support for AST2700 A1")
Reviewed-by: Cédric Le Goater <[email protected]>
Link: https://lore.kernel.org/qemu-devel/[email protected]
Signed-off-by: Cédric Le Goater <[email protected]>

Author: LeeTroy

include/hw/arm/aspeed_soc.h

@@ -42,7 +42,7 @@
 #include "hw/char/serial-mm.h"
 #include "hw/intc/arm_gicv3.h"
 
-#define ASPEED_SPIS_NUM  2
+#define ASPEED_SPIS_NUM  3
 #define ASPEED_EHCIS_NUM 2
 #define ASPEED_WDTS_NUM  8
 #define ASPEED_CPUS_NUM  4