Fix up backport of 13619170 ("interconnect: Teach lockdep about icc_bw_lock order")

Add a missing include to fix the following build error:

drivers/interconnect/core.c: In function 'icc_init':
drivers/interconnect/core.c:1148:9: error: implicit declaration of function 'fs_reclaim_acquire' [-Werror=implicit-function-declaration]
 1148 |         fs_reclaim_acquire(GFP_KERNEL);
      |         ^~~~~~~~~~~~~~~~~~
drivers/interconnect/core.c:1150:9: error: implicit declaration of function 'fs_reclaim_release' [-Werror=implicit-function-declaration]
 1150 |         fs_reclaim_release(GFP_KERNEL);
      |         ^~~~~~~~~~~~~~~~~~

Signed-off-by: Sasha Levin <sashal@kernel.org>