boards+efm32: remove LOW_POWER_ENABLED from doc.txt

RIOT-OS · Sep 29, 2019 · 6a17cb7 · 6a17cb7
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diff --git a/boards/slstk3401a/doc.txt b/boards/slstk3401a/doc.txt
@@ -151,8 +151,6 @@ You can override the branch's clock source by adding `CLOCK_LFA=source` to your
 ### Low-power peripherals
 The low-power UART is capable of providing an UART peripheral using a low-speed clock. When the LFB clock source is the LFRCO or LFXO, it can still be used in EM2. However, this limits the baud rate to 9600 baud. If a higher baud rate is desired, set the clock source to CORELEDIV2.
 
-If you don't need low-power peripheral support, passing `LOW_POWER_ENABLED=0` to the compiler will disable support in the drivers (currently LEUART). This feature costs approximately 600 bytes (default compilation settings, LEUART only).
-
 **Note:** peripheral mappings in your board definitions will not be affected by this setting. Ensure you do not refer to any low-power peripherals.
 
 ### RTC or RTT

diff --git a/boards/slstk3402a/doc.txt b/boards/slstk3402a/doc.txt
@@ -153,8 +153,6 @@ You can override the branch's clock source by adding `CLOCK_LFA=source` to your
 ### Low-power peripherals
 The low-power UART is capable of providing an UART peripheral using a low-speed clock. When the LFB clock source is the LFRCO or LFXO, it can still be used in EM2. However, this limits the baud rate to 9600 baud. If a higher baud rate is desired, set the clock source to CORELEDIV2.
 
-If you don't need low-power peripheral support, passing `LOW_POWER_ENABLED=0` to the compiler will disable support in the drivers (currently LEUART). This feature costs approximately 600 bytes (default compilation settings, LEUART only).
-
 **Note:** peripheral mappings in your board definitions will not be affected by this setting. Ensure you do not refer to any low-power peripherals.
 
 ### RTC or RTT

diff --git a/boards/sltb001a/doc.txt b/boards/sltb001a/doc.txt
@@ -139,8 +139,6 @@ You can override the branch's clock source by adding `CLOCK_LFA=source` to your
 ### Low-power peripherals
 The low-power UART is capable of providing an UART peripheral using a low-speed clock. When the LFB clock source is the LFRCO or LFXO, it can still be used in EM2. However, this limits the baud rate to 9600 baud. If a higher baud rate is desired, set the clock source to CORELEDIV2.
 
-If you don't need low-power peripheral support, passing `LOW_POWER_ENABLED=0` to the compiler will disable support in the drivers (currently LEUART). This feature costs approximately 600 bytes (default compilation settings, LEUART only).
-
 **Note:** peripheral mappings in your board definitions will not be affected by this setting. Ensure you do not refer to any low-power peripherals.
 
 ### RTC or RTT