8xx: Fix CONFIG_PIN_TLB

The wrong register was loaded into MD_RPN.

Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Signed-off-by: Willy Tarreau <w@1wt.eu>
diff --git a/arch/ppc/kernel/head_8xx.S b/arch/ppc/kernel/head_8xx.S
index b3aff21..9d8a1b5 100644
--- a/arch/ppc/kernel/head_8xx.S
+++ b/arch/ppc/kernel/head_8xx.S
@@ -848,13 +848,13 @@
 	mtspr	MD_TWC, r9
 	li	r11, MI_BOOTINIT	/* Create RPN for address 0 */
 	addis	r11, r11, 0x0080	/* Add 8M */
-	mtspr	MD_RPN, r8
+	mtspr	MD_RPN, r11
 
 	addis	r8, r8, 0x0080		/* Add 8M */
 	mtspr	MD_EPN, r8
 	mtspr	MD_TWC, r9
 	addis	r11, r11, 0x0080	/* Add 8M */
-	mtspr	MD_RPN, r8
+	mtspr	MD_RPN, r11
 #endif
 
 	/* Since the cache is enabled according to the information we