Slight code clean up.

Add comments, delete duplicate define and remove spaces.
Signed-off-by: Roy Zang <tie-fei.zang@freescale.com>

board/mpc7448hpc2/tsi108_init.c

@@ -147,7 +147,7 @@ int board_early_init_f (void)
 	gd->mem_clk = 0;
 	i = in32 (CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET +
 			CG_PWRUP_STATUS);
-	i = (i >> 20) & 0x07;	/* value of SW4[4:7] */
+	i = (i >> 20) & 0x07;	/* Get GD PLL multiplier */
 	switch (i) {
 	case 0:	/* external clock */
 		printf ("Using external clock\n");
@@ -229,7 +229,7 @@ int board_early_init_r (void)
 
 	__asm__ __volatile__ ("sync");
 
-	/* Base addresses for Cs0, CS1, CS2, CS3 */
+	/* Base addresses for CS0, CS1, CS2, CS3 */
 
 	out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B0_ADDR,
 		0x00000000);

include/74xx_7xx.h

@@ -111,9 +111,8 @@ typedef enum __cpu_t {
 	CPU_750CX, CPU_750FX, CPU_750GX,
 	CPU_7400,
 	CPU_7410,
-	CPU_7448,
-	CPU_7450, CPU_7455, CPU_7457,
 	CPU_7447A, CPU_7448,
+	CPU_7450, CPU_7455, CPU_7457,
 	CPU_UNKNOWN} cpu_t;
 
 extern cpu_t get_cpu_type(void);

lib_ppc/extable.c

@@ -37,6 +37,8 @@
  * on our cache or tlb entries.
  */
 
+DECLARE_GLOBAL_DATA_PTR;
+
 struct exception_table_entry
 {
 	unsigned long insn, fixup;
@@ -50,22 +52,20 @@ search_one_table(const struct exception_table_entry *first,
 		 const struct exception_table_entry *last,
 		 unsigned long value)
 {
-	DECLARE_GLOBAL_DATA_PTR;
-
 	while (first <= last) {
 		const struct exception_table_entry *mid;
 		long diff;
 
 		mid = (last - first) / 2 + first;
-		if (mid > CFG_MONITOR_BASE){ 
+		if (mid > CFG_MONITOR_BASE) {
 		/* exception occurs in FLASH, before u-boot relocation.
-		 * No relocation offset is needed. 
+		 * No relocation offset is needed.
 		 */
 			diff = mid->insn - value;
 			if (diff == 0)
 				return mid->fixup;
 		} else {
-		/* exception occurs in RAM, after u-boot relocation. 
+		/* exception occurs in RAM, after u-boot relocation.
 		 * A relocation offset should be added.
 		 */
 			diff = (mid->insn + gd->reloc_off) - value;