turnip: add environment variable to disable LRZ

Signed-off-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5146>
diff --git a/src/freedreno/vulkan/tu_device.c b/src/freedreno/vulkan/tu_device.c
index c06fdec..759564b 100644
--- a/src/freedreno/vulkan/tu_device.c
+++ b/src/freedreno/vulkan/tu_device.c
@@ -198,6 +198,7 @@
    { "forcebin", TU_DEBUG_FORCEBIN },
    { "noubwc", TU_DEBUG_NOUBWC },
    { "nomultipos", TU_DEBUG_NOMULTIPOS },
+   { "nolrz", TU_DEBUG_NOLRZ },
    { NULL, 0 }
 };
 
diff --git a/src/freedreno/vulkan/tu_private.h b/src/freedreno/vulkan/tu_private.h
index 1fcb09c..a823f99 100644
--- a/src/freedreno/vulkan/tu_private.h
+++ b/src/freedreno/vulkan/tu_private.h
@@ -228,6 +228,7 @@
    TU_DEBUG_FORCEBIN = 1 << 5,
    TU_DEBUG_NOUBWC = 1 << 6,
    TU_DEBUG_NOMULTIPOS = 1 << 7,
+   TU_DEBUG_NOLRZ = 1 << 8,
 };
 
 struct tu_instance