src/lib: Use tabs instead of spaces

Fix the following errors and warnings detected by checkpatch.pl:

ERROR: code indent should use tabs where possible
ERROR: switch and case should be at the same indent
WARNING: Statements should start on a tabstop
WARNING: please, no spaces at the start of a line
WARNING: please, no space before tabs
WARNING: suspect code indent for conditional statements
WARNING: labels should not be indented

TEST=Build and run on Galileo Gen2

Change-Id: Iebcff26ad41ab6eb0027b871a1c06f3b52dd207c
Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com>
Reviewed-on: https://review.coreboot.org/18732
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
diff --git a/src/lib/hardwaremain.c b/src/lib/hardwaremain.c
index 75e4824..a56d68e 100644
--- a/src/lib/hardwaremain.c
+++ b/src/lib/hardwaremain.c
@@ -283,7 +283,7 @@
 #endif
 
 static void bs_call_callbacks(struct boot_state *state,
-                              boot_state_sequence_t seq)
+			      boot_state_sequence_t seq)
 {
 	struct boot_phase *phase = &state->phases[seq];
 
@@ -385,8 +385,8 @@
 }
 
 static int boot_state_sched_callback(struct boot_state *state,
-                                     struct boot_state_callback *bscb,
-                                     boot_state_sequence_t seq)
+				     struct boot_state_callback *bscb,
+				     boot_state_sequence_t seq)
 {
 	if (state->complete) {
 		printk(BIOS_WARNING,
@@ -403,7 +403,7 @@
 }
 
 int boot_state_sched_on_entry(struct boot_state_callback *bscb,
-                              boot_state_t state_id)
+			      boot_state_t state_id)
 {
 	struct boot_state *state = &boot_states[state_id];
 
@@ -411,7 +411,7 @@
 }
 
 int boot_state_sched_on_exit(struct boot_state_callback *bscb,
-                             boot_state_t state_id)
+			     boot_state_t state_id)
 {
 	struct boot_state *state = &boot_states[state_id];