spmi: Inline a function to remove compilation error
spmi: Inline a function to remove compilation error

Compilation error is seen in spmi_dfs_add_controller
function when debug fs is disabled.
In this patch this function is defined as static
inline to remove this error.

CRs-Fixed: 555022
Change-Id: I66ac9ca9eeb1e25c68c9deff665258f4e036a678
Signed-off-by: Kiran Gunda <0262b99ca2d1401300f1220bd0206ad94ff780dc@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