hwmon: qpnp-current: Update stub functions
hwmon: qpnp-current: Update stub functions

Update the new stub functions to qpnp-adc-current
define to avoid compilation error when IADC driver
is disabled.

Change-Id: Ic552b925ad6669147b6906df5fb6792bf9e879fe
Signed-off-by: Dipen Parmar <412bf71182c9bb57898cca648d1ef1d29b086d87@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