powerpc/CPM: Minor cosmetic changes to udbg_putc

udbg_putc is a *function pointer* that is initialized during
udbg_init_cpm. It might not be initialized properly when called from
udbg_putc_cpm(), so (recursively) call udbg_putc_cpm() directly.
Signed-off-by: NNye Liu <nyet@mrv.com>
Signed-off-by: NKumar Gala <galak@kernel.crashing.org>

arch/powerpc/sysdev/cpm_common.c

@@ -37,7 +37,7 @@ static void udbg_putc_cpm(char c)
 	u8 __iomem *txbuf = (u8 __iomem __force *)in_be32(&cpm_udbg_txdesc[1]);
 
 	if (c == '\n')
-		udbg_putc('\r');
+		udbg_putc_cpm('\r');
 
 	while (in_be32(&cpm_udbg_txdesc[0]) & 0x80000000)
 		;
@@ -53,7 +53,6 @@ void __init udbg_init_cpm(void)
 		setbat(1, 0xf0000000, 0xf0000000, 1024*1024, _PAGE_IO);
 #endif
 		udbg_putc = udbg_putc_cpm;
-		udbg_putc('X');
 	}
 }
 #endif