default or selected kernelversion does not have config value CONFIG_DM_MULTIPATH_EMC.
Result is shown for kernelversion 5.19-rc1

EMC CX/AX multipath support

modulename: dm-emc.ko

configname: CONFIG_DM_MULTIPATH_EMC

Linux Kernel Configuration
└─>Device Drivers
└─>Multiple devices driver support (RAID and LVM)
└─>EMC CX/AX multipath support
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
Multipath support for EMC CX/AX series hardware.

source code: