Merge branch 'icc-debugfs' into icc-next

This series introduces interconnect debugfs files that support voting
for any interconnect path the framework supports. It is useful for debug,
test and verification.

* icc-debugfs
  debugfs: Add write support to debugfs_create_str()
  interconnect: Reintroduce icc_get()
  interconnect: Add debugfs test client

Link: https://lore.kernel.org/r/20230807142914.12480-1-quic_mdtipton@quicinc.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>