global: Move remaining CONFIG_SYS_NUM_* to CFG_SYS_NUM_*

The rest of the unmigrated CONFIG symbols in the CONFIG_SYS_NUM
namespace do not easily transition to Kconfig. In many cases they likely
should come from the device tree instead. Move these out of CONFIG
namespace and in to CFG namespace.

Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/include/i2c.h b/include/i2c.h
index e0ee94e..c07e60b 100644
--- a/include/i2c.h
+++ b/include/i2c.h
@@ -637,7 +637,7 @@
 /* no muxes used bus = i2c adapters */
 #define CONFIG_SYS_I2C_DIRECT_BUS	1
 #define CONFIG_SYS_I2C_MAX_HOPS		0
-#define CONFIG_SYS_NUM_I2C_BUSES	ll_entry_count(struct i2c_adapter, i2c)
+#define CFG_SYS_NUM_I2C_BUSES	ll_entry_count(struct i2c_adapter, i2c)
 #else
 /* we use i2c muxes */
 #undef CONFIG_SYS_I2C_DIRECT_BUS