[patch] memory: of_memory: Silence uninitialized variable warning

[Dan Carpenter]

Presumably we never use the default: case statement which prints a
warning message.  But my static checker complains that if we do, we will
hit an uninitialized variable warning.

Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>

diff --git a/drivers/memory/of_memory.c b/drivers/memory/of_memory.c
index 6007435..9daf94b 100644
--- a/drivers/memory/of_memory.c
+++ b/drivers/memory/of_memory.c
@@ -109,7 +109,7 @@ const struct lpddr2_timings *of_get_ddr_timings(struct 
device_node *np_ddr,
        struct lpddr2_timings   *timings = NULL;
        u32                     arr_sz = 0, i = 0;
        struct device_node      *np_tim;
-       char                    *tim_compat;
+       char                    *tim_compat = NULL;
 
        switch (device_type) {
        case DDR_TYPE_LPDDR2_S2: