hw/ppc: change indentation to spaces from TABs

There are still some files in the QEMU PPC code base that use TABs for
indentation instead of using  spaces. The TABs should be replaced so
that we have a consistent coding style.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/374
Signed-off-by: Guo Zhi <qtxuning1999@sjtu.edu.cn>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20220412021240.2080218-1-qtxuning1999@sjtu.edu.cn>
[danielhb: trimmed commit msg to 72 chars per line]
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>

hw/ppc/ppc440_bamboo.c

@@ -3,9 +3,9 @@
  *
  * Copyright 2007 IBM Corporation.
  * Authors:
- *	Jerone Young <jyoung5@us.ibm.com>
- *	Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
- *	Hollis Blanchard <hollisb@us.ibm.com>
+ *  Jerone Young <jyoung5@us.ibm.com>
+ *  Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
+ *  Hollis Blanchard <hollisb@us.ibm.com>
  *
  * This work is licensed under the GNU GPL license version 2 or later.
  *

hw/ppc/spapr_rtas.c

@@ -474,16 +474,16 @@ static void rtas_ibm_nmi_interlock(PowerPCCPU *cpu,
 
     if (spapr->fwnmi_machine_check_interlock != cpu->vcpu_id) {
         /*
-	 * The vCPU that hit the NMI should invoke "ibm,nmi-interlock"
+         * The vCPU that hit the NMI should invoke "ibm,nmi-interlock"
          * This should be PARAM_ERROR, but Linux calls "ibm,nmi-interlock"
-	 * for system reset interrupts, despite them not being interlocked.
-	 * PowerVM silently ignores this and returns success here. Returning
-	 * failure causes Linux to print the error "FWNMI: nmi-interlock
-	 * failed: -3", although no other apparent ill effects, this is a
-	 * regression for the user when enabling FWNMI. So for now, match
-	 * PowerVM. When most Linux clients are fixed, this could be
-	 * changed.
-	 */
+         * for system reset interrupts, despite them not being interlocked.
+         * PowerVM silently ignores this and returns success here. Returning
+         * failure causes Linux to print the error "FWNMI: nmi-interlock
+         * failed: -3", although no other apparent ill effects, this is a
+         * regression for the user when enabling FWNMI. So for now, match
+         * PowerVM. When most Linux clients are fixed, this could be
+         * changed.
+         */
         rtas_st(rets, 0, RTAS_OUT_SUCCESS);
         return;
     }

include/hw/ppc/ppc.h

@@ -99,11 +99,11 @@ enum {
     ARCH_MAC99_U3,
 };
 
-#define FW_CFG_PPC_WIDTH	(FW_CFG_ARCH_LOCAL + 0x00)
-#define FW_CFG_PPC_HEIGHT	(FW_CFG_ARCH_LOCAL + 0x01)
-#define FW_CFG_PPC_DEPTH	(FW_CFG_ARCH_LOCAL + 0x02)
-#define FW_CFG_PPC_TBFREQ	(FW_CFG_ARCH_LOCAL + 0x03)
-#define FW_CFG_PPC_CLOCKFREQ	(FW_CFG_ARCH_LOCAL + 0x04)
+#define FW_CFG_PPC_WIDTH        (FW_CFG_ARCH_LOCAL + 0x00)
+#define FW_CFG_PPC_HEIGHT       (FW_CFG_ARCH_LOCAL + 0x01)
+#define FW_CFG_PPC_DEPTH        (FW_CFG_ARCH_LOCAL + 0x02)
+#define FW_CFG_PPC_TBFREQ       (FW_CFG_ARCH_LOCAL + 0x03)
+#define FW_CFG_PPC_CLOCKFREQ    (FW_CFG_ARCH_LOCAL + 0x04)
 #define FW_CFG_PPC_IS_KVM       (FW_CFG_ARCH_LOCAL + 0x05)
 #define FW_CFG_PPC_KVM_HC       (FW_CFG_ARCH_LOCAL + 0x06)
 #define FW_CFG_PPC_KVM_PID      (FW_CFG_ARCH_LOCAL + 0x07)