rtc: whitespace fixes

Some entries in the Kconfig are improperly indented with spaces instead of
tabs.
Also fix whitespaces in Makefile.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index efaff36..6db0a9d 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -12,7 +12,7 @@
 	select RTC_LIB
 	help
 	  Generic RTC class support. If you say yes here, you will
- 	  be allowed to plug one or more RTCs to your system. You will
+	  be allowed to plug one or more RTCs to your system. You will
 	  probably want to enable one or more of the interfaces below.
 
 if RTC_CLASS
@@ -165,10 +165,10 @@
 	  will be called rtc-88pm80x.
 
 config RTC_DRV_ABB5ZES3
-       depends on I2C
-       select REGMAP_I2C
-       tristate "Abracon AB-RTCMC-32.768kHz-B5ZE-S3"
-       help
+	depends on I2C
+	select REGMAP_I2C
+	tristate "Abracon AB-RTCMC-32.768kHz-B5ZE-S3"
+	help
 	  If you say yes here you get support for the Abracon
 	  AB-RTCMC-32.768kHz-B5ZE-S3 I2C RTC chip.
 
@@ -376,10 +376,10 @@
 	  will be called rtc-isl12022.
 
 config RTC_DRV_ISL12057
-       depends on I2C
-       select REGMAP_I2C
-       tristate "Intersil ISL12057"
-       help
+	depends on I2C
+	select REGMAP_I2C
+	tristate "Intersil ISL12057"
+	help
 	  If you say yes here you get support for the Intersil ISL12057
 	  I2C RTC chip.
 
@@ -614,13 +614,13 @@
 if SPI_MASTER
 
 config RTC_DRV_M41T93
-        tristate "ST M41T93"
-        help
-          If you say yes here you will get support for the
-          ST M41T93 SPI RTC chip.
+	tristate "ST M41T93"
+	help
+	  If you say yes here you will get support for the
+	  ST M41T93 SPI RTC chip.
 
-          This driver can also be built as a module. If so, the module
-          will be called rtc-m41t93.
+	  This driver can also be built as a module. If so, the module
+	  will be called rtc-m41t93.
 
 config RTC_DRV_M41T94
 	tristate "ST M41T94"
@@ -1211,7 +1211,7 @@
 	  Say Y here to enable support for the on-chip RTC found in
 	  most SuperH processors.
 
- 	  To compile this driver as a module, choose M here: the
+	  To compile this driver as a module, choose M here: the
 	  module will be called rtc-sh.
 
 config RTC_DRV_VR41XX
@@ -1310,14 +1310,14 @@
 	  just say Y.
 
 config RTC_DRV_PXA
-       tristate "PXA27x/PXA3xx"
-       depends on ARCH_PXA
-       help
-         If you say Y here you will get access to the real time clock
-         built into your PXA27x or PXA3xx CPU.
+	tristate "PXA27x/PXA3xx"
+	depends on ARCH_PXA
+	help
+	 If you say Y here you will get access to the real time clock
+	 built into your PXA27x or PXA3xx CPU.
 
-         This RTC driver uses PXA RTC registers available since pxa27x
-         series (RDxR, RYxR) instead of legacy RCNR, RTAR.
+	 This RTC driver uses PXA RTC registers available since pxa27x
+	 series (RDxR, RYxR) instead of legacy RCNR, RTAR.
 
 config RTC_DRV_VT8500
 	tristate "VIA/WonderMedia 85xx SoC RTC"