soc/intel/common/cse: Make cse_disable_mei_devices a public function

This patch export cse_disable_mei_devices() function instead of marking
it static. Other IA common code may need to get access to this function
for making `heci1` device disable.

BUG=none
TEST=Able to build and boot brya.

Signed-off-by: Subrata Banik <subratabanik@google.com>
Change-Id: Ib2a1eb2fdc9d4724bd287b82be4238893c967046
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61430
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Sridhar Siricilla <sridhar.siricilla@intel.com>
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com>

src/soc/intel/common/block/cse/cse_eop.c

@@ -50,7 +50,7 @@ static bool cse_disable_mei_bus(void)
 	return true;
 }
 
-static bool cse_disable_mei_devices(void)
+bool cse_disable_mei_devices(void)
 {
 	struct pmc_ipc_buffer req = { 0 };
 	struct pmc_ipc_buffer rsp;

src/soc/intel/common/block/include/intelblocks/cse.h

@@ -486,4 +486,7 @@ bool skip_cse_sub_part_update(void);
  */
 bool cse_get_boot_performance_data(struct cse_boot_perf_rsp *boot_perf);
 
+/* Function to make cse disable using PMC IPC */
+bool cse_disable_mei_devices(void);
+
 #endif // SOC_INTEL_COMMON_CSE_H