net: wwan: t7xx: don't include '<linux/pm_wakeup.h>' directly

The header clearly states that it does not want to be included directly,
only via '<linux/(platform_)?device.h>'. Which is already present, so
delete the superfluous include.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
Link: https://patch.msgid.link/20250210113710.52071-2-wsa+renesas@sang-engineering.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

Author: Wolfram Sang

drivers/net/wwan/t7xx/t7xx_pci.c

@@ -32,7 +32,6 @@
 #include <linux/pci.h>
 #include <linux/pm.h>
 #include <linux/pm_runtime.h>
-#include <linux/pm_wakeup.h>
 #include <linux/spinlock.h>
 
 #include "t7xx_mhccif.h"