Fixing checkpatch.pl warnings.

Most warnings are "Missing a blank line after declarations". I'm also
adding blank lines between multi-line comments and statements.

Ran with --ignore BRACES,SPDX_LICENSE_TAG,VOLATILE,SPLIT_STRING,
AVOID_EXTERNS,USE_SPINLOCK_T,NEW_TYPEDEFS,INITIALISED_STATIC,
FILE_PATH_CHANGES to reduce noise. Now there is only one type of
warning, with two instances:

WARNING: Prefer using '"%s...", __func__' to using 'dmb', this function's name, in a string
+       __asm__ volatile("dmb sy");

WARNING: Prefer using '"%s...", __func__' to using 'dsb', this function's name, in a string
+       __asm__ volatile("dsb sy");

Change-Id: Id837feef86dc81ba84de1809e76653ddce814422
diff --git a/src/layout.c b/src/layout.c
index 003a8ab..15dec5d 100644
--- a/src/layout.c
+++ b/src/layout.c
@@ -22,6 +22,7 @@
 paddr_t layout_text_begin(void)
 {
 	extern uint8_t text_begin[];
+
 	return pa_init((uintpaddr_t)text_begin);
 }
 
@@ -31,6 +32,7 @@
 paddr_t layout_text_end(void)
 {
 	extern uint8_t text_end[];
+
 	return pa_init((uintpaddr_t)text_end);
 }
 
@@ -40,6 +42,7 @@
 paddr_t layout_rodata_begin(void)
 {
 	extern uint8_t rodata_begin[];
+
 	return pa_init((uintpaddr_t)rodata_begin);
 }
 
@@ -49,6 +52,7 @@
 paddr_t layout_rodata_end(void)
 {
 	extern uint8_t rodata_end[];
+
 	return pa_init((uintpaddr_t)rodata_end);
 }
 
@@ -58,6 +62,7 @@
 paddr_t layout_data_begin(void)
 {
 	extern uint8_t data_begin[];
+
 	return pa_init((uintpaddr_t)data_begin);
 }
 
@@ -67,6 +72,7 @@
 paddr_t layout_data_end(void)
 {
 	extern uint8_t data_end[];
+
 	return pa_init((uintpaddr_t)data_end);
 }
 
@@ -76,6 +82,7 @@
 paddr_t layout_initrd_begin(void)
 {
 	extern uint8_t initrd_begin[];
+
 	return pa_init((uintpaddr_t)initrd_begin);
 }
 
@@ -85,6 +92,7 @@
 paddr_t layout_initrd_end(void)
 {
 	extern uint8_t initrd_end[];
+
 	return pa_init((uintpaddr_t)initrd_end);
 }
 
@@ -94,6 +102,7 @@
 paddr_t layout_fdt_begin(void)
 {
 	extern uint8_t fdt_begin[];
+
 	return pa_init((uintpaddr_t)fdt_begin);
 }
 
@@ -103,6 +112,7 @@
 paddr_t layout_fdt_end(void)
 {
 	extern uint8_t fdt_end[];
+
 	return pa_init((uintpaddr_t)fdt_end);
 }
 
@@ -112,6 +122,7 @@
 paddr_t layout_bin_end(void)
 {
 	extern uint8_t bin_end[];
+
 	return pa_init((uintpaddr_t)bin_end);
 }
 
@@ -124,5 +135,6 @@
 {
 	/* TODO: This is a hack. We must read the alignment from the binary. */
 	paddr_t bin_end = layout_bin_end();
+
 	return pa_init((pa_addr(bin_end) + 0x80000 - 1) & ~(0x80000 - 1));
 }