Use correct spelling of "U-Boot"

Correct spelling of "U-Boot" shall be used in all written text
(documentation, comments in source files etc.).

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/arch/blackfin/include/asm/bitops.h b/arch/blackfin/include/asm/bitops.h
index 6cde6db..a1462bd 100644
--- a/arch/blackfin/include/asm/bitops.h
+++ b/arch/blackfin/include/asm/bitops.h
@@ -1,5 +1,5 @@
 /*
- * U-boot - bitops.h Routines for bit operations
+ * U-Boot - bitops.h Routines for bit operations
  *
  * Copyright (c) 2005-2007 Analog Devices Inc.
  *
diff --git a/arch/blackfin/include/asm/blackfin_local.h b/arch/blackfin/include/asm/blackfin_local.h
index 868c82e..00556de 100644
--- a/arch/blackfin/include/asm/blackfin_local.h
+++ b/arch/blackfin/include/asm/blackfin_local.h
@@ -1,5 +1,5 @@
 /*
- * U-boot - blackfin_local.h
+ * U-Boot - blackfin_local.h
  *
  * Copyright (c) 2005-2007 Analog Devices Inc.
  *
diff --git a/arch/blackfin/include/asm/byteorder.h b/arch/blackfin/include/asm/byteorder.h
index 98fb7bf..593ba5a 100644
--- a/arch/blackfin/include/asm/byteorder.h
+++ b/arch/blackfin/include/asm/byteorder.h
@@ -1,5 +1,5 @@
 /*
- * U-boot -  byteorder.h
+ * U-Boot -  byteorder.h
  *
  * Copyright (c) 2005-2007 Analog Devices Inc.
  *
diff --git a/arch/blackfin/include/asm/deferred.h b/arch/blackfin/include/asm/deferred.h
index 82ceda3..e75d7e8 100644
--- a/arch/blackfin/include/asm/deferred.h
+++ b/arch/blackfin/include/asm/deferred.h
@@ -1,5 +1,5 @@
 /*
- * U-boot - deferred register layout
+ * U-Boot - deferred register layout
  *
  * Copyright 2004-2009 Analog Devices Inc.
  *
diff --git a/arch/blackfin/include/asm/delay.h b/arch/blackfin/include/asm/delay.h
index f146efd..06c3edd 100644
--- a/arch/blackfin/include/asm/delay.h
+++ b/arch/blackfin/include/asm/delay.h
@@ -1,5 +1,5 @@
 /*
- * U-boot - delay.h Routines for introducing delays
+ * U-Boot - delay.h Routines for introducing delays
  *
  * Copyright (c) 2005-2007 Analog Devices Inc.
  *
diff --git a/arch/blackfin/include/asm/global_data.h b/arch/blackfin/include/asm/global_data.h
index 7aefead..69a6971 100644
--- a/arch/blackfin/include/asm/global_data.h
+++ b/arch/blackfin/include/asm/global_data.h
@@ -1,5 +1,5 @@
 /*
- * U-boot - global_data.h Declarations for global data of u-boot
+ * U-Boot - global_data.h Declarations for global data of U-Boot
  *
  * Copyright (c) 2005-2007 Analog Devices Inc.
  *
diff --git a/arch/blackfin/include/asm/io.h b/arch/blackfin/include/asm/io.h
index aadb0d2..d3337e4 100644
--- a/arch/blackfin/include/asm/io.h
+++ b/arch/blackfin/include/asm/io.h
@@ -1,5 +1,5 @@
 /*
- * U-boot - io.h IO routines
+ * U-Boot - io.h IO routines
  *
  * Copyright 2004-2009 Analog Devices Inc.
  *
diff --git a/arch/blackfin/include/asm/linkage.h b/arch/blackfin/include/asm/linkage.h
index 7e06bc7..60d5317 100644
--- a/arch/blackfin/include/asm/linkage.h
+++ b/arch/blackfin/include/asm/linkage.h
@@ -1,5 +1,5 @@
 /*
- * U-boot - linkage.h
+ * U-Boot - linkage.h
  *
  * Copyright (c) 2005-2007 Analog Devices Inc.
  *
diff --git a/arch/blackfin/include/asm/posix_types.h b/arch/blackfin/include/asm/posix_types.h
index 18be579..8535235 100644
--- a/arch/blackfin/include/asm/posix_types.h
+++ b/arch/blackfin/include/asm/posix_types.h
@@ -1,5 +1,5 @@
 /*
- * U-boot - posix_types.h
+ * U-Boot - posix_types.h
  *
  * Copyright (c) 2005-2007 Analog Devices Inc.
  *
diff --git a/arch/blackfin/include/asm/processor.h b/arch/blackfin/include/asm/processor.h
index b798006..1daf59b 100644
--- a/arch/blackfin/include/asm/processor.h
+++ b/arch/blackfin/include/asm/processor.h
@@ -1,5 +1,5 @@
 /*
- * U-boot - processor.h
+ * U-Boot - processor.h
  *
  * Copyright (c) 2005-2007 Analog Devices Inc.
  *
diff --git a/arch/blackfin/include/asm/shared_resources.h b/arch/blackfin/include/asm/shared_resources.h
index 1a03392..42dab9f 100644
--- a/arch/blackfin/include/asm/shared_resources.h
+++ b/arch/blackfin/include/asm/shared_resources.h
@@ -1,5 +1,5 @@
 /*
- * U-boot - setup.h
+ * U-Boot - setup.h
  *
  * Copyright (c) 2005-2007 Analog Devices Inc.
  *
diff --git a/arch/blackfin/include/asm/soft_switch.h b/arch/blackfin/include/asm/soft_switch.h
index ff8e44d..321b070 100644
--- a/arch/blackfin/include/asm/soft_switch.h
+++ b/arch/blackfin/include/asm/soft_switch.h
@@ -1,5 +1,5 @@
 /*
- * U-boot - main board file
+ * U-Boot - main board file
  *
  * Copyright (c) 2008-2012 Analog Devices Inc.
  *
diff --git a/arch/blackfin/include/asm/string.h b/arch/blackfin/include/asm/string.h
index aea4e29..15f50f2 100644
--- a/arch/blackfin/include/asm/string.h
+++ b/arch/blackfin/include/asm/string.h
@@ -1,5 +1,5 @@
 /*
- * U-boot - string.h String functions
+ * U-Boot - string.h String functions
  *
  * Copyright (c) 2005-2007 Analog Devices Inc.
  *
diff --git a/arch/blackfin/include/asm/system.h b/arch/blackfin/include/asm/system.h
index 5a7e8ed..f0c4ae2 100644
--- a/arch/blackfin/include/asm/system.h
+++ b/arch/blackfin/include/asm/system.h
@@ -1,5 +1,5 @@
 /*
- * U-boot - system.h
+ * U-Boot - system.h
  *
  * Copyright (c) 2005-2007 Analog Devices Inc.
  *
diff --git a/arch/blackfin/include/asm/types.h b/arch/blackfin/include/asm/types.h
index 92124f1..4da64c4 100644
--- a/arch/blackfin/include/asm/types.h
+++ b/arch/blackfin/include/asm/types.h
@@ -1,5 +1,5 @@
 /*
- * U-boot - types.h
+ * U-Boot - types.h
  *
  * Copyright (c) 2005-2007 Analog Devices Inc.
  *
diff --git a/arch/blackfin/include/asm/u-boot.h b/arch/blackfin/include/asm/u-boot.h
index 7b5cf6a..1ada44e 100644
--- a/arch/blackfin/include/asm/u-boot.h
+++ b/arch/blackfin/include/asm/u-boot.h
@@ -1,5 +1,5 @@
 /*
- * U-boot - u-boot.h Structure declarations for board specific data
+ * U-Boot - u-boot.h Structure declarations for board specific data
  *
  * Copyright (c) 2005-2007 Analog Devices Inc.
  *