soc: qcom: glink_debugfs: Defer removing debugfs entries

Removing debugfs entries waits for synchronization with global
debugfs_srcu. This leads to a deadlock if a debugfs entry is removed
while reading from another debugfs entry.

Defer removing the debugfs entries to avoid any deadlock.

CRs-Fixed: 1079350
Change-Id: I4404f77fec93ba16ecf60699b0d9e46cd9488739
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@codeaurora.org>