powerpc/pseries/bsr: Remove redundant initialization of bsr dev_t declaration.

Remove the unnecessary initialization of "dev_t bsr_dev" since it's
subsequently used in an "alloc_chrdev_region()" call which uses that
variable in an output-only fashion.

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/drivers/char/bsr.c b/drivers/char/bsr.c
index a4a6c2f..cf39bc0 100644
--- a/drivers/char/bsr.c
+++ b/drivers/char/bsr.c
@@ -295,7 +295,7 @@
 static int __init bsr_init(void)
 {
 	struct device_node *np;
-	dev_t bsr_dev = MKDEV(bsr_major, 0);
+	dev_t bsr_dev;
 	int ret = -ENODEV;
 	int result;