microblaze: Fix missing bracket in printk

The error was introduced by the patch
"microblaze: Fix coding style issues"
(sha1: 6bd55f0b).

Error message:
arch/microblaze/kernel/setup.c: In function 'machine_early_init':
arch/microblaze/kernel/setup.c:177:3: error: 'pr_cont'
  undeclared (first use in this function)
arch/microblaze/kernel/setup.c:177:3: note: each undeclared
  identifier is reported only once for each function it appears in
arch/microblaze/kernel/setup.c:177:10: error: expected ';'
  before string constant
arch/microblaze/kernel/setup.c:177:33: error: expected statement
  before ')' token
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

arch/microblaze/kernel/setup.c

@@ -175,7 +175,7 @@ void __init machine_early_init(const char *cmdline, unsigned int ram,
 #else
 	if (!msr) {
 		pr_info("!!!Your kernel not setup MSR instruction but ");
-		pr_cont"CPU have it %x\n", msr);
+		pr_cont("CPU have it %x\n", msr);
 	}
 #endif