drm/i915/gt: Fix build error without CONFIG_PM

drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c: In function ‘act_freq_mhz_show’:
drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c:276:20: error: implicit declaration of function ‘sysfs_gt_attribute_r_max_func’ [-Werror=implicit-function-declaration]
  276 |  u32 actual_freq = sysfs_gt_attribute_r_max_func(dev, attr,
      |                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Move sysfs_gt_attribute_* macros out of #ifdef block to fix this.

Fixes: 56a709cf ("drm/i915/gt: Create per-tile RPS sysfs interfaces")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220506032652.1856-1-yuehaibing@huawei.com

drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c

@@ -17,7 +17,6 @@
 #include "intel_rc6.h"
 #include "intel_rps.h"
 
-#ifdef CONFIG_PM
 enum intel_gt_sysfs_op {
 	INTEL_GT_SYSFS_MIN = 0,
 	INTEL_GT_SYSFS_MAX,
@@ -92,6 +91,7 @@ sysfs_gt_attribute_r_func(struct device *dev, struct device_attribute *attr,
 #define sysfs_gt_attribute_r_max_func(d, a, f) \
 		sysfs_gt_attribute_r_func(d, a, f, INTEL_GT_SYSFS_MAX)
 
+#ifdef CONFIG_PM
 static u32 get_residency(struct intel_gt *gt, i915_reg_t reg)
 {
 	intel_wakeref_t wakeref;