soc: adi: Only build system drivers for ADSP architecture

SoC specific code should not be built for all platforms. Therefore
only build it for ADSP 32/64-bit architectures.

In the future system.c and system.c and pads_system.c should be replaced
with the corresponding mainline frameworks.

Signed-off-by: Philip Molloy <[email protected]>

Author: pamolloy

drivers/soc/adi/Makefile

@@ -2,9 +2,9 @@
 
 # todo modularize; already depends on CONFIG_ARCH_SC59X_64 though
 
-obj-y += pads_system.o system.o
-
+obj-$(CONFIG_ARCH_SC59X_64)	+= pads_system.o system.o
 obj-$(CONFIG_ARCH_SC59X_64)	+= mach-sc59x/
 obj-$(CONFIG_ARCH_SC59X_64)	+= mach-sc5xx/
 
+obj-$(CONFIG_ARCH_SC5XX)	+= pads_system.o system.o
 obj-$(CONFIG_ARCH_SC5XX)	+= mach-sc5xx/