make smc91111_eeprom managment simpler by depending on the board configuration file rather than a hardcoded list of boards

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

examples/smc91111_eeprom.c

@@ -31,6 +31,8 @@
 #include <exports.h>
 #include "../drivers/net/smc91111.h"
 
+#ifdef CONFIG_DRIVER_SMC91111
+
 #define SMC_BASE_ADDRESS CONFIG_SMC91111_BASE
 #define EEPROM		0x1;
 #define MAC		0x2;
@@ -387,3 +389,13 @@ void dump_reg (void)
 		printf ("\n");
 	}
 }
+
+#else
+
+int smc91111_eeprom (int argc, char *argv[])
+{
+	printf("Not supported for this board\n");
+	return 1;
+}
+
+#endif