global_data: Put phys_addr fields near the top

Put these fields near the top and together, since they have the same
alignment.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/include/asm-generic/global_data.h b/include/asm-generic/global_data.h
index b33e4e9..841c1b3 100644
--- a/include/asm-generic/global_data.h
+++ b/include/asm-generic/global_data.h
@@ -50,6 +50,14 @@
 	struct board_f *boardf;
 #endif
 	/**
+	 * @ram_size: RAM size in bytes
+	 */
+	phys_size_t ram_size;
+	/**
+	 * @ram_top: top address of RAM used by U-Boot
+	 */
+	phys_addr_t ram_top;
+	/**
 	 * @flags: global data flags
 	 *
 	 * See &enum gd_flags
@@ -103,10 +111,6 @@
 	 */
 	unsigned long ram_base;
 	/**
-	 * @ram_top: top address of RAM used by U-Boot
-	 */
-	phys_addr_t ram_top;
-	/**
 	 * @relocaddr: start address of U-Boot in RAM
 	 *
 	 * After relocation this field indicates the address to which U-Boot
@@ -116,10 +120,6 @@
 	 */
 	unsigned long relocaddr;
 	/**
-	 * @ram_size: RAM size in bytes
-	 */
-	phys_size_t ram_size;
-	/**
 	 * @irq_sp: IRQ stack pointer
 	 */
 	unsigned long irq_sp;