msm: cpr-regulator: Fix compiler error when debugfs is disabled
msm: cpr-regulator: Fix compiler error when debugfs is disabled

The code does not compile with debugfs disabled. Fix this.

Change-Id: I479f1640f36f72758fdb0538751565a672968100
Signed-off-by: Olav Haugan <fbf4ddd114d5f0aa83cb721b7dacab8a264ccf22@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas