msm8x26: Remove maxcpus=2 from the kernel command line

Thermal mitigation during boot has improved to the point
where we expect to be able to reliably boot with all CPUs
online. Remove the limit for improved boot performance.

Change-Id: I090e445e2ab40e9119985dd9e44297fa78ecfb38
diff --git a/BoardConfig.mk b/BoardConfig.mk
index 0d231c2..d070a7c 100644
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -58,7 +58,7 @@
 BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE := ext4
 BOARD_PERSISTIMAGE_FILE_SYSTEM_TYPE := ext4
 
-BOARD_KERNEL_CMDLINE := console=ttyHSL0,115200,n8 androidboot.console=ttyHSL0 androidboot.hardware=qcom user_debug=31 maxcpus=2 msm_rtb.filter=0x37
+BOARD_KERNEL_CMDLINE := console=ttyHSL0,115200,n8 androidboot.console=ttyHSL0 androidboot.hardware=qcom user_debug=31 msm_rtb.filter=0x37
 BOARD_KERNEL_SEPARATED_DT := true
 
 BOARD_EGL_CFG := device/qcom/$(TARGET_BOARD_PLATFORM)/egl.cfg