linux: fix broken kmod-i2c-mux-pca9541 after r44113

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>

SVN-Revision: 44142

package/kernel/linux/modules/i2c.mk

@@ -238,7 +238,7 @@ $(eval $(call KernelPackage,i2c-mux-pca954x))
 
 
 I2C_MUX_PCA9541_MODULES:= \
-  CONFIG_I2C_MUX_PCA9541:drivers/i2c/muxes/$(I2C_MUX_PREFIX)pca9541
+  CONFIG_I2C_MUX_PCA9541:drivers/i2c/muxes/i2c-mux-pca9541
 
 define KernelPackage/i2c-mux-pca9541
   $(call i2c_defaults,$(I2C_MUX_PCA9541_MODULES),51)