ufs: tegra: Remove legacy headers

Linux v5.x kernels are no longer supported and so remove all the legacy
UFS related headers for these kernels.

Bug 3978622
JIRA LINQPJ14-47

Change-Id: I6e514305d30f93d74bd75fc335db69ced79b3866
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3349975
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: Brad Griffis <bgriffis@nvidia.com>

scripts/conftest/Makefile

@@ -281,8 +281,7 @@ NV_HEADER_PRESENCE_TESTS = \
   linux/iosys-map.h \
   linux/tegra_prod.h \
   net/gso.h \
-  net/page_pool.h \
-  ufs/ufshcd.h
+  net/page_pool.h
 
 # Filename to store the define for the header in $(1); this is only consumed by
 # the rule below that concatenates all of these together.

scripts/conftest/conftest.sh

@@ -8837,11 +8837,7 @@ compile_test() {
             # function making the 3rd argument of type const.
             #
             CODE="
-            #if defined(NV_UFS_UFSHCD_H_PRESENT)
             #include <ufs/ufshcd.h>
-            #else
-            #include \"../drivers/scsi/ufs/ufshcd.h\"
-            #endif
             void conftest(struct ufs_hba_variant_ops *ops) {
                     int (*fn)(struct ufs_hba *hba,
                               enum ufs_notify_change_status status,
@@ -8864,11 +8860,7 @@ compile_test() {
             # 'struct ufs_hba_variant_ops'.
             #
             CODE="
-            #if defined(NV_UFS_UFSHCD_H_PRESENT)
             #include <ufs/ufshcd.h>
-            #else
-            #include \"../drivers/scsi/ufs/ufshcd.h\"
-            #endif
             void conftest_ufs_hba_variant_ops_suspend_has_status_arg(
                 struct ufs_hba_variant_ops *ops) {
                     int (*fn)(struct ufs_hba *, enum ufs_pm_op,