ALSA: pcm: Make snd_pcm_lib_malloc_pages() debug message say "allocate"

ALSA: pcm: Make snd_pcm_lib_malloc_pages() debug message say "allocate"

snd_pcm_lib_malloc_pages() is commonly used for allocating buffers during
the hw_params callback, whereas preallocating buffers goes through
preallocate_pcm_pages().

Having the same terminology in the failure debug messages in both
misleads developers.

Change the debug message in snd_pcm_lib_malloc_pages() to use the
term "allocate" to match its intended use.

Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://patch.msgid.link/20250421085244.377228-1-wenst@chromium.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>